This is a list of species of fauna (animals) that have been observed in Rivers State, Nigeria.
Invertebrates Arachnids Zebra spider, Salticus scenicus Jumping spider, Phidippus clarus
Crustaceans African rainbow crab, Cardisoma armatum Atlantic blue crab, Callinectes sapidus Atlantic ghost crab, Ocypode quadrata Blue land crab, Cardisoma guanhumi
Insects Blattodea Australian cockroach, Periplaneta australasiae
Coleoptera Blue milkweed beetle, Chrysochus cobaltinus Chinese tiger beetle, Cicindela chinensis
Diptera Common housefly, Musca domestica Common malaria mosquito, Anopheles quadrimaculatus Common oblique syrphid, Allograpta obliqua Flower fly, Toxomerus geminatus
Hemiptera Creeping water bugs, Ilyocoris cimicoides
Hymenoptera
Acrobat ant, Crematogaster ashmeadi African army ant, Dorylus molestus Little fire ant, Wasmannia auropunctata Lepidoptera Cabbage butterfly, Pieris brassicae Cinnabar moth, Tyria jacobaeae Common fig-tree blue, Myrina silenus Eyed tiger moth, Hypercompe scribonia Gypsy moth, Lymantria dispar Monarch butterfly, Danaus plexippus Snout moth, Glyphodes canthusalis
Odonata Navy dropwing, Trithemis furva Orange-winged dropwing, Trithemis kirbyi Pacific spiketail, Cordulegaster dorsalis Tasmanian darner, Austroaeschna tasmanica
Orthoptera Fall field cricket, Gryllus pennsylvanicus
Molluscs Banana rasp snail, Archachatina marginata Giant African snail, Achatina fulica Giant tiger land snail, Achatina achatina
Vertebrates Amphibians Crowned bullfrog, Hoplobatrachus occipitalis Flat-backed toad, Amietophrynus maculatus Mascarene ridged frog, Ptychadena mascareniensis South African sharp-nosed frog, Ptychadena oxyrhynchus Square-marked toad, Amietophrynus regularis Western clawed frog, Xenopus tropicalis
Birds
Mammals African marsh rat, Dasymys incomtus African pygmy mouse, Mus minutoides Big-eared swamp rat, Malacomys longipes Black rat, Rattus rattus Brown rat, Rattus norvegicus Forest giant squirrel, Protoxerus stangeri Gambian pouched rat, Cricetomys gambianus Giant forest hog, Hylochoerus meinertzhageni Green bush squirrel, Paraxerus poensis House rat, Mus musculus Mona monkey, Cercopithecus mona Pygmy hippopotamus, Hexaprotodon liberiensis Red-bellied monkey, Cercopithecus erythrogaster Red colobus monkey, Procolobus preussi Sclater's monkey, Cercopithecus sclateri Striped ground squirrel, Xerus erythropus Typical striped grass mouse, Lemniscomys striatus Yellow-backed duiker, Cephalophus silvicultor
Reptiles African rock python, Python sebae Ball python, Python regius Black-necked spitting cobra, Naja nigricollis Blue-bellied black snake, Pseudechis guttatus Brown Rat Snake, Zaocys fuscus Calabar python, Calabaria reinhardtii Common house gecko, Hemidactylus frenatus Dwarf crocodile, Osteolaemus tetraspis Emerald snake, Hapsidophrys smaragdina Fire skink, Lepidothyris fernandi Forest cobra, Naja melanoleuca Forest hinge-back tortoise, Kinixys erosa Forest vine snake, Thelotornis kirtlandii Gaboon viper, Bitis gabonica Green bush viper, Atheris squamigera Jameson's mamba, Dendroaspis jamesoni Nile crocodile, Crocodylus niloticus Ornate monitor, Varanus ornatus Rainbow agama, Agama agama Senegal mabuya, Trachylepis affinis Slender-snouted crocodile, Mecistops cataphractus Speckle-lipped skink, Trachylepis maculilabris West African black turtle, Pelusios niger West African night adder, Causus maculatus
References