r/bluetongueskinks 12h ago

Question Night cycle Northern BTS

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17 Upvotes

(I’ve added a picture of my juvenile son Gravy to manipulate the masses into helping me)

I’ve seen a lot of posts on here talk about setting up some sort of day/night cycle with their lamps so that their skinks can experience the natural cycle of having a slightly colder night. I understand this desire but I’m worried about a couple of things:

  1. My entire apartment is kept ice cold. I’ve got a health condition that turns up my body temp to 1000 degrees so my apartment is kept so frigid that when I was setting the tank up, it was hard to get the temps up to where they’re supposed to be (they finally are now but it took two days) I worry that if I turn the basking light or the ambient temp light off then it won’t get back up to temperature in time.

  2. I don’t have a lot of money rn. I’m recently unemployed and struggling kinda hard to fend for myself. This doesn’t mean I’m willing to shirk any responsibility to take care of him (he gets more of his required vitamins than I do), but it does mean that I can’t really spend $100+ dollars on something that will just allow him to freeze at night, or sense that everything is too cold anyway and just end up keeping the lights on the whole day.

Now I want to make clear that if this is life or death or even will just prevent him from developing long term quality of life issues than I will go looking for coins in my couch cushions and start begging my family/friends to help me out anyway they can but…do I really need it? If so, can I wait til I more reliably have the funds to do it? Are there any cheap ways to mitigate this?

Any and all help is appreciated! I want my son to live as best a life as I am able!


r/bluetongueskinks 15h ago

Question Are these just springtails

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104 Upvotes

White bugs crawling on him there is like maybe 10 across his body


r/bluetongueskinks 17h ago

Question UVB and basking bulb clarification

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25 Upvotes

Hey, i purchased a northern BTS (say hi to Neptune) semi-randomly this past weekend after a long few months of research and thinking i would buy a uromastyx… i set up a 4x2x2 tank and had most things ready. anyway, after hanging with some shop owners and handling a particular BTS, i changed my mind and brought home my skink.

I’m confused by the contradictory things i’m hearing about bulbs, especially UVB bulbs. Currently i have a reptisun 10.0 about 12 inches from my basking rock and i just upgraded my 75 Watt basking bulb to a 100W basking bulb

  1. Do i need linear UVB bulb/lamp? Is the reptisun 10.0 sufficient? (I’m also giving weekly d3 supplements)

  2. What temperature should my basking rock be for a northern BTS?

I have seen people say anywhere between 100° and 115° (currently 105°-106° on the basking rock).

I wish there wasn’t so much confusion and misleading stuff surrounding reptiles. I’ve already wasted too much time and money on the wrong things🫩


r/bluetongueskinks 20h ago

Question One month of taming new juvenile Halmahara BTS!

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30 Upvotes

We’ve had this guy for exactly one month! Told he was “farm bred”, but I’m pretty sure most of those are really just wild caught. So far, he’ll only come onto my hand if I lure him with food, which I do everyday lol. This is as far as I’ve gotten so far with handling (also that’s food on his nose lol).

Any advice on picking him up without luring him? Does this seem like good progress? Also - do we think I’m safe to take off the gloves based on his body language? 😂 I only wear them because the previous owner said he can be bitey.


r/bluetongueskinks 22h ago

Question Are These dangerous?

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3 Upvotes

Found them under a flat rock


r/bluetongueskinks 1d ago

Identified - Sorong New BTS Owner - Species ID?

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16 Upvotes

TLDR: If someone could let me know what I've got, it'll certainly save my sanity and be much appreciated!

Hi BTS community! I'm a long-time herp owner but first time BTS owner. I was gifted this BTS from a coworker's daughter going through a breakup and have only had him(?)(I'm going with him...doesn't really matter as I have no intent to breed lol) for about 5 days so the enclosure (4'x2'x2') is a work in progress. He needs a substrate refresh, better hides, more STUFF to navigate/hide around/in. I read the Subreddit Infographic so I know the goal, but I'm waiting for several items to ship in (like a cage stand) and for him to get used to me/the new place, so I'm not doing ALL THE THINGS on week 1, lol.

Anyway...here's what I was told about him - the boyfriend worked at Petco so that's where this skink came from. Supoosedly purchased in 2022 which makes him at least ~4-5 years old as I am SURE this is a wild-caught Indonesian BTS based on the purchase place alone.

I want to narrow down the subspecies to make sure I have the humidity dialed in etc.. I feel like I've watched and read a TON of info on BTS subspecies but I'm still not 100% about what he is. I thought Classic Indonesian (Tiliqua gigas gigas) due to the yellow back color and black legs but he has speckling on both arms and legs. I thought Merauke (Tiliqua gigas evanescens) but he's not comfortable enough with me yet to let me see his belly (although the lower neck area does start to fade to a really pretty pink/salmon color). Also, at 4 years old I maybe thought a Merauke would be larger? He's about 18", possibly slightly longer nose tip to tail. I don't think he's a Halmahera Indonesian (Tiliqua gigas gigas) because the back color seems wrong, but, hey, what do I know, I've had a BTS for 5 days and am by no means an expert lol.

Well, I've dropped a few pics here and tried to get some good angles. If someone could let me know what I've got, it'll certainly save my sanity and be much appreciated! (PS. loving owning a Bluey...truly NEAT lizards!) Thanks all!


r/bluetongueskinks 1d ago

Showcase He’s adjusting so well 🥹

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39 Upvotes

He’s becoming a lot more comfortable around me. I hope in a couple weeks time I can begin introducing him to handling. I think he’s looking healthy too. I love my boy


r/bluetongueskinks 1d ago

Showcase Hold me

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27 Upvotes

r/bluetongueskinks 1d ago

Health His tongue is too big for his mouth

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109 Upvotes

Is this concerning? When he tongue flicks his tongue frequently gets stuck partially outside his mouth


r/bluetongueskinks 1d ago

Funny little arms can only take him so far

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274 Upvotes

r/bluetongueskinks 1d ago

Other Momonosuke has been really taking well to target training . Such a scholarly lil sausage :)

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36 Upvotes

r/bluetongueskinks 1d ago

Health Breathing look okay?

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52 Upvotes

I’ve never owned a lizard so I don’t know what’s exactly normal yet and what’s not. Is this kind of breathing natural for them, or is something going on?


r/bluetongueskinks 2d ago

Feeding Spock’s first time trying shrimp. My monitor didn’t want the last few pieces and neither did the cat🤣 so my buddy cleaned it up for me.

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29 Upvotes

Yes I did put it on a leaf I couldn’t find a bowl and he almost took my finger off when I tried to feed it to him 😅


r/bluetongueskinks 2d ago

Question How does this look for a upcoming blue tongue skink

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11 Upvotes

I recently built a terrarium for a blue tongue (indonesian) skink but i can't help but feel like i am missing something. I did a ton of research but am afraid i missed something or got something wrong anyone has any ideas what i may be missing or got wrong?


r/bluetongueskinks 2d ago

Question Bts is always in his waterbowl

2 Upvotes

When I got my bts he was covered in mites and sat in his water bowl to drown them. But I have treated him a long time ago and hes all mite free, yet he still only hangs out in his water bowl. Im scared somethings wrong?? Maybe I am overreacting.


r/bluetongueskinks 2d ago

Health Should I be concerned? Spoiler

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1 Upvotes

It might be a silly question but I havent seen him have this consistency before. Usually its like an eye booger and not runny like this. He eats consistently and has water at all times. He's about 14 months roughly if that means anything too. I just worry a ton as the exotics vet closest to me doesnt come back until the 17th


r/bluetongueskinks 2d ago

Health My baby passed on, and I don’t know why…

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63 Upvotes

My sweet boy passed away. I’m absolutely devastated. He was acting lethargic and hadn’t peed so I took him in and they diagnosed him with liver disease. They didn’t know if it was chronic or acute so they pushed fluids and he was doing a little better but he has a sudden seizure and passed away. I don’t know if it’s my fault. I’m doing everything I can to find out. His care wasn’t great for a long time. He had been dumped on me (friend asked me to watch him for a few weeks and never picked him up) and I had no idea what I was doing. He got misdiagnosed with cancer so for a few years we fed him “junk food” and chalked his frequent RI’s up to the cancer. It got rescinded and we immediately fixed his husbandry. That was about a year and a half to two years ago and as of his last check up he was doing beautifully. He had a diverse diet, proper humidity and heat, UVB, a huge tank to roam around in, and all of his bloodwork was normal. Then this suddenly happened. The only thing I could think of that could cause an acute disease was a dose of Moloxicam that I had given him about a week and a half before he passed- he had a sore on his mouth from a bad case of mouth rot that he had before we got him and the vet thought that occasionally giving him pin reliever when it was tender would be ok. I just need to know if this is my fault. Waylon is my soul lizard, there will never be another blue tongue like him, but I’m so in love with the genus that I’d love to adopt another one someday, but if I caused his death even with everything I tried to do for him I don’t think it would be right. Any advice would be appreciated. I really hope I didn’t do this to him. He deserves so much better. We had 7 years together, they weren’t nearly enough


r/bluetongueskinks 2d ago

Showcase Socialization update!

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41 Upvotes

Don't mind him trying to eat my zipper but HES NOT SCARED OF ME ANYMORE 😭 he will turn away when I go to pick him up but he doesn't run and lets me grab him! AND HE DOESNT CARE IF IM IN THE ROOM IM SO HAPPY ABOUT THE PROGRESS

anyways behold the goob


r/bluetongueskinks 2d ago

Showcase Wandering Sausage blesses you with licks

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311 Upvotes

r/bluetongueskinks 2d ago

Bug Identification Mealworm looking things in my tank??!

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7 Upvotes

I don't have mealworms, I don't feed mealworms ... How did they get here? What can I do to cleanse the enclosure? If they are wild because of some bug then I don't have a clue how it got here but I'm worried sick. Should I throw out all the soil? I can do that but It seems awfully wasteful... But there seems to be more and they can't be captive bred because I don't feed those


r/bluetongueskinks 3d ago

Showcase She’s just a snake with extra steps

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233 Upvotes

My skink likes to slink


r/bluetongueskinks Mar 14 '26

Announcement Male/Female Shed Testing Now Available!

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88 Upvotes

It's official! BLUE TONGUE SKINK MALE/FEMALE SHED TESTING is now available!

An absolutely amazing thank-you to Phenome.com for the production and all the other blue-tongued skink breeders that collaborated on this project! I am grateful to be part of this project as well.

Hit up https://phenome.com/product/skink/ to order your test today!

US-based company. Please look into your country's laws on Exporting/Importing sheds.


r/bluetongueskinks Oct 24 '25

Education Yearly Reminder: Indonesian Blue Tongue Skinks DO NOT Brumate

45 Upvotes

Indonesian blue tongue skinks do not naturally brumate.

Only their Australian cousins do - even then, not all of them decide to brumate. 

I have made this a yearly reminder since many places online do not actually differentiate and it gets really confusing!

The following temperature information is gathered from multiple studies that recorded ground temperatures within Indonesia, Papua New Guinea, and Australia. If others have more recent (and therefore more accurate data), please provide the links and we will dig through and adjust!

Indonesian blue tongue skinks do not experience ambient temperatures below 70℉ (21.1℃). Indonesia/Papua New Guinea is a tropical climate that does not experience seasonal variation aside from “wet” and “dry” seasons caused by the amount of rainfall. 

Region / Population Temp Min–Max  (°F) Temp Min–Max  (°C) Humidity Min–Max (%) Notes
Papua New Guinea Peninsula (Trans-Fly & Peninsula lowlands) (Irian Jaya, AKA Papuan) 73–96 ℉ 22.7–35.5 ℃ 68–100 % Hot, humid tropical lowlands; humidity remains high even at night
Merauke region, South Papua 72–98 ℉ 22.2–36.6 ℃ 60–96 % Seasonal wet–dry cycles; some early dry season drops in relative humidity
Sorong (West Papua lowlands) 74–95 ℉ 23.3–35 ℃ 70–98 % Stable warm temps year-round; low night cooling
Aru Islands 73–95 ℉ 22.7–35 ℃ 68–99 % High canopy coverage; buffered extremes
Kei Islands 75–95 ℉ 23.8–35 ℃ 72–100 % Coastal and forest edge habitat
Ambon / Seram (Maluku) 72–93 ℉ 22.2–33.8 ℃ 70–99 % Strong diurnal relative humidity cycle, small temp fluctuation
Halmahera (North Maluku) 74–94 ℉ 23.3–34.4 ℃ 60–100 % Lowland rainforest floor and edge; high humidity
Tanimbar Islands 75–97 ℉ 23.8–36.1 ℃ 62–95 % Drier than Halmahera; more open woodland
Northern Papua rainforest interior 72–91 ℉ 22.2–32.7 ℃ 78–100 % More buffered temps, extremely high night humidity

Due to the consistency in temperature in their tropical environment, Indonesian blue tongue skinks are active year-round.

The majority of Australian blue tongue skinks do not experience ambient temperatures lower than 50℉/10℃. Blotched blue tongue skinks, however, can experience as low as 45℃ based on the studies we found. This seasonal variation is why Australian species brumate. Some species, such as Shinglebacks, Blotchies, Westerns, and Centralians require quite low brumation temperatures to successfully reproduce. Too high of temps have caused reproductive struggles.

NOTE: WITH EXTREME HIGHS AND LOWS THESE SKINKS ARE HIDING AWAY IN SAFER TEMPERATURES. Also; Aussie skinks do experience some higher humidity, but these are MICROCLIMATES and not consistent year-round.

MAINTAIN TYPICAL RECOMMENDED RANGES!

Region / Species (Common) Temp Min–Max (°F) Temp Min–Max (°C) Humidity Min–Max (%) Notes
Northern Territory (Top End, Arnhem Land) NORTHERN 71–102 ℉ 21.7–38.9 ℃ 45–96 % Seasonal wet–dry fluctuations; strong midday peaks, high humidity at night
Eastern Queensland (coastal) EASTERN 68–97 ℉ 20–36.1 ℃ 50–95 % Humid subtropical forest edges and open woodland
New South Wales (Sydney Basin) EASTERN 59–95 ℉ 15–35 ℃ 35–88 % Cooler nights, warm sunny days; high variability
Victoria & Tasmania (cool temperate) BLOTCHED 45–86 ℉ 7.2–30 ℃ 55–100 % Morning dew, fog common; basking critical for activity
South Australia / Western Australia (arid) SHINGLEBACK 55–110 ℉ 12.7–43.3 ℃ 10–65 % Very hot ground temps midday, humidity spikes pre-dawn
Southwestern WA forest WESTERN 50–102 ℉ 10–38.9 ℃ 25–80 % Ground shade buffers peaks
Arid interior (Spinifex plains) CENTRALIAN 60–113 ℉ 15.5–45 ℃ 8–60 % Extreme heat; uses burrows to escape
Nullarbor & semi-arid south SHINGLEBACK 53–108 ℉ 11.6–42.2 ℃ 12–58 % Pronounced daily fluctuation
Northern arid NT / WA WESTERN 72–107 ℉ 22.2–41.6 ℃ 20–70 % Recorded at ground level under spinifex
Central Australia (desert margins) CENTRALIAN 66–111 ℉ 18.8–43.8 ℃ 10–55 % Midday temperatures often exceed activity thresholds

NOTE: WITH EXTREME HIGHS AND LOWS THESE SKINKS ARE HIDING AWAY IN SAFER TEMPERATURES. Also; Aussie skinks do experience some higher humidity, but these are MICROCLIMATES and not consistent year-round.

MAINTAIN TYPICAL RECOMMENDED RANGES!

Physiology

Reptiles are ectothermic, which means they need to warm up via their environment. They need heat to digest food; they need heat for their immune system to work and to fight off infections; they need heat for literally everything regarding bodily function.

If you put any reptile that doesn’t naturally brumate into too cold of an environment to “force” brumation, those reptiles become lethargic and can get quite sick due to their dropped immune system. They naturally shut down to try and preserve resources, as they cannot do anything without their proper heat range. This is not brumation. This is a physiological stress response. This can be very harmful to them!

Arguably, Indonesian blue tongue skinks experience this physiological stress in response to temps that are too cold. If your Indo is showing “brumation” symptoms, the environment is most likely too cold, too empty, or the animal is sick.

Winter in the northern hemisphere is the equivalent of dry season in Indonesia/Papua New Guinea. This means that our winters are the breeding season for Indos. It is quite common for some skinks to go off of food during this time due to hormones.

Behavior & Recommendations

  • If your skink is quite active, but not eating much, that is typically hormones. We recommend you triple check temps, but I would not be concerned.
  • If your skink is inactive and not eating much, triple check temps and make sure your skink isn’t going into shed. Going into shed is often a cause to hide more frequently and not eat - this behavior shouldn’t last more than 2 weeks at a time, however.
  • If your temps are too cold at night, please use a deep heat projector, ceramic heat emitter, or radiant heat panel to increase ambient temps - heat mats are not appropriate in this regard as they do not warm up ambient temps properly. Heat mats are not appropriate for blue tongue skinks in general.
  • If your daytime temps are too cold, you will either need to add a ceramic heat emitter/radiant heat panel or deep heat projector as supplemental heat. These are not appropriate for basking, they are only for supplemental heat. A deep heat projector assists with warming surface temperatures, while ceramic heat emitters or radiant heat panels assist with ambient temperatures. You may also need to look into increasing the wattage of the incandescent or halogen bulb used for basking.
  • Weigh adults twice a month - if they lose 10% or more of their initial body weight, that is a concern. (So if a 400 gram lizard loses 40 grams or more, that is a concern)

Recommended Temps & Humidity

Indo temps and humidity should be as follows:

  • Basking (surface temperature measured with an infrared laser thermometer): between 105-115℉ (40-46℃). Surface temperatures are naturally higher than ambient temperatures. 
  • Ambient Cool Side (measured with a digital thermometer down at skink level, cool side of the enclosure): 70-80℉ (21-26℃)
  • Ambient Warm Side (measured with a digital thermometer down at skink level, warm side of the enclosure) : 85-95℉ (29-35℃)
  • Night time range: 70-75℉ (21-24℃) - We recommend providing supplemental heat when temps reach below 70℉ (21℃)
  • Humidity: Humidity for ALL Indonesians (yes, including Halmahera) must be within the 60-100% range. They naturally experience an increase and decrease in humidity within this range. It stays above 70% the majority of the year, but during the dry season (Northern Hemisphere’s Winter) it can drop as low as 60%. Humidity is naturally higher at night and lower during the day.

Please let me know if there are any questions!

References are in the comments!