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Psalmopoeus cambridgei, the Trinidad chevron tarantula, is a species of spider in the family Theraphosidae, endemic to Trinidad. Its venom is the source of psalmotoxin and vanillotoxin which are classified as inhibitor cystine knot proteins. Psalmotoxin may be of therapeutic use in patients with a stroke.
Jo-Anne Nina Sewlal (29 March 1979 - 20 January 2020) was a Trinidad and Tobago arachnologist. She discovered several new species of spiders in Trinidad and Tobago, and published some of the first surveys of spider populations in many countries of the Caribbean.
Despite their slow appearance, crocodiles are very fast over short distances, even out of water. However, these 2 species are considered waifs to the island. Meaning, that Trinidad and Tobago is not in their natural distribution. With these two species likely coming in from the surrounding waterways of Venezuela. Crocodylus acutus (Cuvier, 1807) VU
Trinidad and Tobago is home to about 99 species of terrestrial mammals. About 65 of the mammalian species in the islands are bats (including cave roosting, tree and cavity roosting bats and even foliage-tent-making bats; all with widely differing diets from nectar and fruit, to insects, small vertebrates such as fish, frogs, small birds and rodents and even those that consume vertebrate blood).
Psalmopoeus irminia are unique in their striking black coloration paired with vibrant orange chevron and leg markings. Like other Psalmopoeus, this species can often be found in tree cavities at a medium height. Females reach six inches in diagonal leg span on average while males can reach 5 inches.
Tapinauchenius plumipes, the orange tree spider, is a tarantula endemic to French Guiana. It was first described by Ludovico Di Caporiacco in 1954. Its previous name, Tapinauchenius gigas was based on the Latin word for giant, being gigas. [ 1 ]
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The bodies of these spiders are rather compressed in the vertical direction, which allows them to hide themselves under the loosened bark of trees and in other tight places. They have a prominent chevron-like pattern on their abdomens which may make them more difficult to distinguish on mottled surfaces. [2] [1]