Endemic Fauna of Andaman and Nicobar Islands Bay of Bengal

Table.1. Faunal diversity and endemism in A and N Islands (updated 2009)
Animal Group No. of
species/
subspecies
Terrestrial and freshwater
No. of
endemics(species/
subspecies)
% Endemism
within groups
Protozoa (Parasitic and
Symbiotic)
9 2 100
Mollusca (Land & Freshwater) 152 100 65.8
Annelida 30 7 23.3
Arthropoda/ Insecta
Collembola 8 - -
Ephemeroptera 1 1 100
Odonata 59 11 18.6
Orthoptera 96 16 16.6
Phasmida 5 - -
Dermaptera 14 8 57.0
Embioptera 2 - -
Balattaria 15 1 6.6
Mantodea 5 2 40.0
Isoptera 38 21 55.3
Phthiraptera 4 - -
Hemiptera 265 46 17.35
Thysanoptera 29 2 6.9
Neuroptera 13 3 23.0
Coleoptera 585 191 32.6
Siphonoptera 2 - -
Diptera 259 47 18.1
Lepidoptera 896 210 23.4
Trichoptera 24 17 70.8
Hymenoptera 186 28 15.0
Total Insecta 2506 604 24.10
Arachnida 94 10 10.6
Myriapoda 17 - -
Chelopoda 5 2 40.0
Pisces (Fishes) 13 1 7.6
Amphibia 17 6 35.3
Reptilia 64 32 50.0
Aves 270 90 33.3
Mammalia 43 19 41.1
Total Terrestrial fauna 3212 872 27.14
Marine Fauna
Porifera 75 19 25.3
Kinorhyncha 1 1 100
Cnidaria
Hydrozoa 19 2 10.5
Anthozoa 432 12 2.8
Polychaeta 184 4 2.2
Pycnogonida 8 1 12.5
Sipuncula 29 - -
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