Ghana

Endemic freshwater fishes include the killifishes Pronothobranchius seymouri (Killifish of West Africa) and Epiplatys schreiberi (Killifish of West Africa), an electric catfish Malapterurus tanoensis (GBIF), a glass catfish Irvineia voltae (GBIF), a claroteid catfish Chrysichthys walkeri (MbZ), and the barbs Enteromius subinensis (p. 86 of IRD WM pdf) and Enteromius walkeri (BHL) (Akvarista Lexikon). A cichlid Limbochromis robertsi (Aquarium Webzine WM) is an endemic genus.

Amphibians restricted to Ghana include the Atewa Slippery Frog Conraua sagyimase (ResearchGate) (IUCN), the Bobiri Reed Frog Hyperolius bobirensis (iNaturalist) (ARKive WM), Zimmer's Screeching Frog Arthroleptis zimmeri (IUCN) (Google Books), Afia Birago’s Puddle Frog Phrynobatrachus afiabirago (GBIF), and the Intermediate Puddle Frog Phrynobatrachus intermedius (EDGE). The puddle frogs Phrynobatrachus vogti (Google Books) and Phrynobatrachus albolabris (AmphibiaWeb) are now usually considered synonyms of the more widespread Phrynobatrachus latifrons (iNaturalist).

Reptiles exclusive to Ghana include the Ghana Worm Lizard Cynisca kraussi (TBA) (GBIF) and two other worm lizards: Cynisca muelleri (BHL) (fig. C at BHL) and Cynisca williamsi (BHL).

The Ghana Mole-rat Fukomys zechi (ASM) (GBIF) is an endemic mammal.

Butterflies found only in Ghana include the Atewa Dotted Border Mylothris atewa (IUCN) (Butterflies of Ghana WM), the Ghana Ceres Forester Euphaedra ignota (flickr), Iolaus likpe (p. 31 of Metamorphosis pdf), the Volta Pansy Junonia hadrope (p. 7 of Metamorphosis pdf), Anthene helpsi (ABDB WM pdf), Acleros bobiri (p. 1 of Metamorphosis pdf), and Telipna maesseni (flickr). Endemic moths include a long-horned moth Dragmatucha kakumensis (ResearchGate), a many-plumed moth Alucita safi (ResearchGate), and an owlet moth Zekelita shamssiae (Biologiezentrum WM pdf).

Other endemic insects include the bush crickets Adapantus pragerorum (OSF) and Tomias gerriesmithae (OSF), a ground beetle Carabidomemnus endroedyfilius (Fig. 1 at nhmus WM pdf), a longhorn beetle Pseudictator kingsleyae (Cerambycidae Species WM), a darkling beetle Diaclina ashantica (GBIF), a weevil Smicronyx buchnerae (GBIF), the plant bugs Psallops niedzwiedzkii (ZooKeys) and Pilophorus lestoni (Discover Life), a seed bug Kanadyana stehliki (ResearchGate), a leafhopper Nlunga parareeneni (GBIF), the ants Tetramorium intermedium (AntWiki) and Axinidris hylekoites (AntWiki), a sesiid wasp Barbasphecia hephaistos (ResearchGate), the chalcid wasps Youngaia spinosa (WaspWeb WM) and Turktichus ghananensis (ResearchGate), and a braconid wasp Aivalykus endroedyyoungai (Entomofauna WM pdf).

Other invertebrates exclusive to Ghana include the Atewa Hooded Spider Ricinoides atewa (GBIF), a jumping spider Belippo cygniformis (BHL), the pholcid spiders Leptopholcus kintampo and Anansus atewa (both at pholcidae WM), a corrinid spider Carteronius ashanti (GBIF), the scorpions Butheoloides cimrmani (BHL) and Buthus danyi (zenodo), a whip spider Charinus kakum (ResearchGate), the harvestmen Metalacurbs foordi (PLAZI) and Aburiplus trochanteralis (fig. 53 at UFRJ pdf), a freshwater crab Potamonautes triangulus (GBIF), a woodlouse Niambia palmetensis (BHL), the earthworms Reginaldia ditheca (Fig. 2c at BHL) and Pickfordiella eudrilina (p. 11 of NHMUS WM pdf), the freshwater snails Pseudocleopatra voltana (GBIF) and Melanoides voltae (Fig. j at Google Books), and several land snails: Pseudavakubia atewaensis (Fig. 28 at BioOne), Ptychotrema ankasana (p. 2 of Natuurtijdschriften pdf), Avakubia occidentalis (Thibaut De Meulemeester WM), Gulella atewana (p. 9 of Natuurtijdschriften pdf), and Ischnoglessula echinophora (nhmus WM pdf).

Endemic marine molluscs include the nudibranchs Okenia ghanensis and Trapania africana (both at ResearchGate) and Berghia ghanensis (figs. 2A-C at academia.edu) and the marine snails Plicoliva ryalli (Eddie Hardy) and Gibberula albotriangularis (USC).

Plants confined to Ghana include a riverweed Ledermanniella bowlingii (Podostemaceae), Psychotria ankasensis (iNaturalist) (Wikimedia Commons), Ixora tenuis (Google Books), Virectaria tenella (JSTOR), Bonamia vignei (Google Books), Plectranthus (or Coleus) hallii (JSTOR), Isoetes tenuifolia (GBIF), Grewia megalocarpa (JSTOR), Oleandra ejurana (JSTOR), Monanthotaxis atewensis (PhytoKeys), Calycobolus hallianus (POWO), Pavetta ankasensis (Semantic Scholar WM), Commelina aquatica (JSTOR), Pristimera atractaspis (GBIF) (fig. 6 at BHL), Tapinanthus farmari (iNaturalist), and the orchids Rhipidoglossum laticalcar (POWO) and Diaphananthe suborbicularis (Google Books).

Trees known only from Ghana include the legumes Talbotiella gentii (Quarry Life Award WM) (Rufford) and Millettia irvinei (GBIF), Pavetta sonjae (Semantic Scholar), a screwpine Pandanus abbiwii (GBIF), and Commiphora dalzielii (GBIF).

Fungi known only from Ghana include Neonothopanus cystidiosus (fig. 3a at ResearchGate) and Ganoderma mbrekobenum (Fungal Planet WM pdf). Endemic non-vascular plants include the liverworts Drepanolejeunea ankasica (BHL) (GBIF) and Cololejeunea calcarata (BHL).

Parts of Ghana are included in the Eastern Guinean Forests ecoregion (Wikipedia) and the Guinean Forests of West Africa hotspot (Biodiversity Hotspots WM). For an overview of Ghana's natural history see the "National Biodiversity Strategy for Ghana 2002" (CBD pdf). A list of forest plants thought to be endemic to Ghana is at (Google Books).