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{{Short description|Species of spider}}{{Speciesbox| taxon = Cyriopagopus lividus| image = Haplopelma lividum, Cobalt blue tarantula cropped.jpg| image_caption = In Kaeng Krachan District, Phetchaburi, Thailand| authority = (Smith, 1996)| synonyms = * Haplopelma lividum Smith, 1996| synonyms_ref = }}The cobalt blue tarantula or Cyriopagopus lividus is a species of tarantula which is in the family Theraphosidae which is native to Myanmar and over the border into Thailand.WEB,www.thairath.co.th/content/5910, th, 2009-05-15, 2020-06-27, Thai Rath, บึ้งน้ำเงินเพชฌฆาต สวยประหารพันธุ์ดุ, The killer cobalt blue tarantula, fierce femme fatale, It was originally described as Haplopelma lividum.

Description

The cobalt blue tarantula is a medium-sized tarantula with a leg span around 13  cm (5 in). It is noted for its iridescent blue legs and light gray prosoma and opisthosoma, the latter of which may contain darker gray chevrons.Photos of Haplopelma lividumWEB, Panecasio, Steph, Scientists have figured out why some tarantulas are bright blue,www.cnet.com/news/scientists-have-figured-out-why-some-tarantulas-are-bright-blue/, 2021-05-16, CNET, en, Males and females look the same until the ultimate (final) molt of the males. At this point, the male exhibits sexual dimorphism in the form of a light tan or bronze coloration and legginess. Additionally, males gain a palpal bulb on the pedipalps and tibial apophyses (mating hooks). The female eventually becomes larger than the male and lives years longer.WEB,www.everything-cobalt-blue.com/cobalt-blue-tarantula.html, Cobalt Blue Tarantula, The cobalt blue tarantula is a fossorial species and spends nearly all of its time in deep burrows of its own construction. The venom of the tarantula is not enough to kill a human, but it can badly sting them and be extremely painful. The venom contains glutamic acid, at 0.97% concentration. Histamine and adenosine were detected at 0.14% and 0.10% with the polyamine spermine noted in trace amounts at 0.002% (Moore et al., 2009).Image:Haplopelma lividum - captive breeding.jpg|A female (left) and male (right) in courtship in captivityImage:2iH lividum.JPG|A second-instar spiderling cobalt blue tarantula near burrow

Habitat

Cobalt blue tarantulas inhabit the tropical rainforests of Southeast Asia,JOURNAL, Smith, A. M., 1996, A new species of Haplopelma (Araneae: Theraphosidae), with notes on two close relatives, Mygalomorph, 1, 21–32, where they construct deep burrows, and generally only leave them to find food.

Pets

The cobalt blue tarantula is a mainstay in the pet trade, despite being a fast and defensive tarantula with potent venom.JOURNAL, Tarantulas Bite: Two Case Reports of Finger Bite from Haplopelma lividum, Takaoka Makoto, The Japanese Journal of Toxicology, 14, 3, 247–250, 2001, 11692582, Bites from this species can result in severe muscle cramps and inflammation.WEB,www.keepingexoticpets.com/cobalt-blue-tarantulas/, Cobalt Blue Tarantula (Haplopelma lividum), Keeping Exotic Pets, 2016-04-03,

References

{{Commons|Cyriopagopus lividus}}

}}Moore, S., Smyth, W. F., Gault, V., O’Kane, E., & McClean, S. (2009c). Mass spectrometric characterisation and quantitation of selected low molecular mass compounds from the venom of Haplopelma lividum (Theraphosidae). Rapid Communications in Mass Spectrometry, 23(12), 1747–1755.doi.org/10.1002/rcm.4063{{Taxonbar|from=Q134978}}