Republic of the Congo

The Republic of the Congo is especially rich in killifish species found nowhere else including Aphyosemion caudofasciatum (FishBase), Aphyosemion chauchei (Killifish of West Africa), Aphyosemion mandoroense (ResearchGate), Aphyosemion thysi (Killifish of West Africa), Aphyosemion plagitaenium (Killifish of West Africa), and Epiplatys phoeniceps (Killifish of West Africa). Other endemic freshwater fish species include the cichlids Chromidotilapia elongata (Cichlid Room Companion) and Steatocranus masalamasoso (twitter WM), the Blackfin Moon Tetra (FishBase) (IRD), Enteromius kuiluensis (flickr), Nannocharax rubensteini (ResearchGate), the lampeyes Hylopanchax paucisquamatus (ResearchGate) and Plataplochilus eliasi (twitter WM), and several catfishes: Trachyglanis sanghensis (Planet Catfish), Phractura gladysae (flickr), Synodontis longispinis (GBIF), Notoglanidium pembetadi (GBIF), and Channallabes sanghaensis (Planet Catfish).

A marine fish known solely from off Pointe Noire is the conger eel Pauroconger drachi (p. 199 of FAO pdf).

Endemic amphibians include the Annulated Long-fingered Frog Cardioglossa annulata (figs. c & d at ResearchGate) and the Mayoko Puddle Frog Phrynobatrachus mayokoensis (ResearchGate).

The poorly known Velvet African Climbing Mouse Dendroprionomys rousseloti (Google Books) (Google Books) represents a genus unique to the Republic of the Congo. Other endemic mammals include Bouvier's Red Colobus Pilocolobus bouvieri (IUCN), Pecile's African Climbing Mouse Poemys pecilei (ASM MDD) (BHL), and Kock's Myotis Myotis dieteri (GBIF).

Butterflies restricted to the Republic of the Congo include Euphaedra asteria (africamuseum.be), Acraea odzalae (Dominique Bernaud), Charaxes galleyanus (BOLD), Charaxes tessieri (BOLD), Iolaus brazza (GBIF), Bematistes (or Acraea) dimonika (ResearchGate), Ornipholidotos dowsetti (p. 25 of Metamorphosis pdf), Micropentila bakotae (Wikispecies), Neurellipes smithi (PLAZI),  Falcuna nouabaleensis (PLAZI), and Celaenorrhinus aureus (p. 2 of Metamorphosis pdf). Endemic moths include Bellanola ndoki (Zootaxa), Neomardara mondika (figs. 7-9 at ResearchGate), and Delorhachis manuelae (GBIF).

Other endemic insects include the grasshoppers Acorypha brazzavillei (OSF) and Pteropera menieri (fig. 5 at ZooKeys), a katydid Plangiopsis nouabalensis (PLAZI), a cricket Paragryllodes deleportei (GBIF), the ants Pheidole squalida (AntWiki) and Tetraponera dispar (GBIF), a rhinoceros beetle Alissonotum lerui (MNHN), the flower beetles Gnathocera pauliani (MNHN) and Leucocelis lerui (MNHN), a leaf-chafer Goniorrhina decarthra (Hannetons WM), a scarab Limepomera quadridens (Hannetons WM), a quasimodo fly Curtonotum ndoki (GBIF), a cicada Afzeliada grilloti (GBIF), and the leafhoppers Signoretia kintendela (GBIF) and Brasura piscinura (GBIF).

Other endemic invertebrates include the jumping spiders Asemonea virgea (jumping-spiders.com) and Goleba jocquei (salticidae.pl) and Saraina kindamba (Google Books), the scorpions Congobuthus fagei (GBIF) and Cheloctonus kakongo (HAL pdf), a harvestman Nkogoa feae (p. 135 of UFRJ pdf), a land snail Limicolaria joubini (GBIF), and a freshwater snail Lanistes neritoides (MNHN).

Plants unique to the Republic of the Congo include the orchids Bulbophyllum mayombeense (IOPSE WM) and Bilabrella cribbiana (p. 139 of ResearchGate pdf) and Habenaria lisowskii (GBIF), Uvaria brazzavillensis (p. 31 of PPG pdf), Vepris teva (PeerJ), Ardisia comosa (GBIF), Aeschynomene batekensis (JSTOR), an aroid Nephthytis mayombensis (JSTOR) (BHL), Beilschmiedia descoingsii (BHL) (IUCN), Diospyros whitei (p. 28 of CARPE pdf), Coleus brazzavillensis (GBIF), Synsepalum koechlinii (JSTOR), Phyllanthus mindouliensis (GBIF), Psychotria nerei (MNHN), Impatiens moutsambotei (ResearchGate), Pachystela koechlinii (GBIF), Cola zanaga (fig. 3 at bioRxiv pdf), Eugenia diminutiflora (GBIF), Rinorea botryoides (Fig. 1 at MNHN pdf), Erlangea chevalieri (JSTOR), Pandanus insolitus (JSTOR), Warneckea lecomteana (BHL), and Calvoa sitaena (GBIF).

Endemic fungi include Amanita griseostrobilacea (ResearchGate) and Oudemansiella linicolor (GBIF). Endemic non-vascular plants include a liverwort Plagiochila lecontei (GBIF) and a moss Isopterygium brevicuspis (GBIF).

Important terrestrial ecoregions include the Atlantic Equatorial Coastal Forests (WWF WM) and the Northwest Congolian Lowland Forest Ecoregion (WWF WM). Major freshwater ecoregions include the Southern Gulf of Guinea Drainages (FEOW WM) and the Ogooue-Nyanga-Kouilou-Niari (FEOW WM). The Congo River (Google Books) is one of the world's richest for freshwater species.