Maldives
Among the marine fish known only from the Maldives are the Collar Blenny Ecsenius minutus (eol), the Maldives Slopefish Symphysanodon rhax (p. 16 of Zootaxa pdf file), the Blackflag Sandperch Parapercis signata (eol), the righteye flounders Poecilopsetta albomaculata and Marleyella maldivensis (both at Bioline Int'l), a cardinalfish Apogon quinquestriatus (p. 16 of Zootaxa pdf file), a tonguefish Symphurus maldivensis (Bioline Int'l), two threefin blennies Helcogramma maldivensis (eol) and Helcogramma larvata (Bioline Int'l), Pseudanthias bimarginatus (Practical Fishkeeping), and a yellowfin mojarra Gerres maldivensis (Internet Archive). Frontilabrus caeruleus (FishBase) is an endemic genus of wrasse.
Two subspecies of fruit bat are endemic: Pteropus giganteus ariel (flickr) and Pteropus hypomelanus maris (flickr).
Land invertebrates unique to the Maldives include a damselfly Enallagma maldivensis (Internet Archive), a large carpenter bee Xylocopa esica (Internet Archive), a huntsman spider Heteropoda atollicola (Internet Archive) and a centipede Ballophilus maldivensis (CHILOBASE). Endemic marine invertebrates include a nudibranch Phyllidia koehleri (Sea Slug Forum), a chiton Ischnochiton feliduensis (Google Books), the shrimps Odontonia maldivensis (p. 6 of MNHN pdf file) and Periclimenaeus tchesunovi (IngentaConnect), a branchiopod crustacean Ospreyella maldiviana (Cambridge Journals), and a sponge Aka maldiviensis (informaworld).
Five species of screw pine including Pandanus fosbergii, Pandanus adduensis, Pandanus hartmanii, Pandanus karikayo, and Pandanus maldivecus (all at UH - Manoa pdf file) have been described from the Maldives but are currently considered synonyms of the widespread Pandanus odorifer (Flowers of India). There are no other endemic vascular plant species.
The Maldives are part of the Maldives-Lakshadweep-Chagos Archipelago Tropical MoistForests terrestrial ecoregion (EoE) and part of the Northern Indian Ocean coral reef hotspot (Reef
Guardian pdf file). An overview of the biodiversity of the Maldives can be found at (CBD pdf file).