Gabon
Among the freshwater fish species unique to Gabon are many killifish including Aphyosemion alpha (FishBase), Hypsopanchax catenatus (Killifish of West Africa), Plataplochilus miltotaenia (Killifish of West Africa), and Epiplatys huberi (Killifish of West Africa). Other endemic fish include the cichlids Parananochromis ornatus (Cichlid Room Companion) and Chromidotilapia melanie (FishBase), a barb Enteromius pinnimaculatus (Species New to Science), an African tetra Brachypetersius gabonensis (FishBase), Neolebias gossei (p. 19 of HAL pdf), Hepsetus kingsleyae (iNaturalist), the elephantfish Paramormyrops longicaudatus (FishBase) and Stomatorhinus ivindoensis (ResearchGate), Monostichodus elongatus (iNaturalist), and several catfishes: Channallabes ogooensis (FishBase), Phractura stiassny (ResearchGate), Microsynodontis emarginata (PlanetCatfish), and Synodontis acanthoperca (p. 20 of HAL pdf). Endemic genera include Aapticheilichthys (Rivulins), a catfish Atopodontus (PlanetCatfish), a shellear Grasseichthys (Africhthy WM pdf), and an elephantfish Cryptomyrus (ZooKeys).
The
Gabon Clingfish Apletodon
gabonensis (ResearchGate)
(p. 23 of HAL
pdf)
is a marine species known only from Gabon.
Mammals found nowhere else include the Sun-tailed Monkey (ARKive
WM), the Makandé Squirrel Galago
(Google
Books) (Mammal
Watching WM),
and Du Chaillu's Rope Squirrel (Google
Books) (IUCN).
The Olive-backed Forest Robin Stiphrornis pyrrholaemus (EurekaAlert!) (eBird) (ResearchGate) is an endemic bird.
Reptiles known solely from Gabon include the Iboundji
Blind Snake Letheobia
pauwelsi (ResearchGate)
(Oliver
Pauwels), the Gabon Legless Skink Feylinia
boulengeri (BHL),
the Omboué Worm Lizard Cynisca
bifrontalis (iNaturalist)
(ResearchGate),
and Haug's Worm Lizard Cynisca
haugi
(Internet
Archive).
Endemic
amphibians include the Crystal Forest Tree Frog Leptopelis
crystallinoron (ARKive
WM),
the Iboundji Smalltongue Toad Werneria
iboundji (GBIF),
the Gabon Dwarf Clawed Frog Hymenochirus
feae (Pipids
of the World), Stevart's Egg Frog Leptodactylodon stevarti
(p. 46 of biotope
pdf),
the Lope Egg Frog Leptodactylodon
blanci (GBIF),
the Fantastic Reed Frog
Hyperolius chabanaudi (GBIF),
and probably the Ogowe Puddle Frog Phrynobatrachus
ogoensis (iNaturalist)
(p. 36 of Oliver
Pauwels pdf).
Butterflies known only from Gabon include Bebearia faraveli (africamuseum.be),
Charaxes basquini
(Charaxes.be
WM),
Neptis amieti
(figs. 6 & 26 at Persée),
Bicyclus ivindo
(BOLD),
and Euphaedra abri
(BOLD).
Endemic moths include
a silk moth Orthogonioptilum
fang (BOLD)
and a tiger moth Novilema
bifurcum (GBIF).
Other endemic insects include the dragonflies Paragomphus dispar (ADDO WM) and Malgassophlebia andzaba (p. 180 of Odonatologica pdf), the damselflies Chlorocypha helenae (ADDO) and Africocypha varicolor (IUCN), a bug Schaeferiana incompleta (ZooKeys), the rhinoceros beetles Augosoma hippocrates (gidearchive) and Alissonotum quadridens (MNHN), a longhorn beetle Acutandra noellae (ResearchGate), an ambrosia beetle Scolytoplatypus unipilus (ZooKeys), a tiger beetle Lophyra florae (MNHN), the ground beetles Afrosyleter telnovi (fig. 3 at S&R pdf) and Procletus gabunensis (p. 47 of Entomofauna pdf), the ants Simopone occulta (AntWiki) and Acropyga bakwele (BHL), an antlion Cymothales massaronei (Species New to Science), the mantids Congoharpax coiffaiti (MNHN) and Microsibylla sechii (ResearchGate), a stick insect Xylica coriacea (Phasmida), a katydid Poreuomena matthaei (DZE), and a cricket Afrophaloria apiariensis (GBIF).
Other endemic invertebrates include a tarantula Heterothele gabonensis
(Birdspiders.com
WM),
the jumping spiders Thiratoscirtus
oberleuthneri (ResearchGate)
and Pochyta tendicula
(GBIF),
a harvestman Sorensenius
aelleni (BHL),
a freshwater crab Potamonautes
nheenae (zenodo),
a freshwater shrimp Caridina
lineorostris (GBIF),
a centipede Pectiniunguis
minutus (ResearchGate),
an earthworm Dichogaster
moussavoui (BOLD),
a freshwater snail Hydrobia
gabonensis
(BioLib),
and several land snails: Achatina
vignoniana (Femorale WM),
Avakubia crystallum (BioOne),
and Thapsia wieringai
(Semantic
Scholar).
A social spider Agelena
consociata
(Monde
des
Insectes WM) lives in groups that may include over 1000
individuals. Marine species known only from Gabon include the shrimps Cinetorhynchus gabonensis
(GBIF)
and Nennalpheus
gabonensis (GBIF)
and several pyramid snails: Turbonilla
krakstadi, Turbonilla
anselmopenasi, and Turbonilla
iseborae (all at Zootaxa
pdf).
Endemic vascular plant genera include an orchid Veyretella (GBIF), a
legume Gabonius
(ResearchGate),
Iridosma (GBIF) (BHL),
Pseudartabotrys (ResearchGate),
and Bizonula
(GBIF).
Among the 425 vascular plant species restricted to Gabon (Tropicos) are Taeniorrhiza nguemae (Discover + Share), Bulbophyllum pauwelsianum (Tropicos), Croton tchibangensis (IUCN), Amorphophallus canaliculatus (IAS WM), Begonia ferramica and Ardisia belingaensis (both on p. 10 of MOBOT pdf), Berlinia razzifera (POWO), Sabicea golgothae (IUCN), Cola lizae (anthropogen), Englerophytum gigantifolium (IUCN), Raphia gabonica (PhytoKeys), Palisota alboanthera (iNaturalist), Rhaptopetalum rabiense (PhytoKeys), Salacia diplasia (Tropicos), Eugenia ogoouensis (IUCN), Gilbertiodendron maximum (POWO), Cleistanthus bambidianus (IUCN), Inversodicraea nicolasii (fig. 3D at placevo.org), Costus loangensis (ResearchGate), Amphiblemma hallei (p. 12 of CARPE pdf), Calvoa maculata (p. 7 of MOBOT pdf), Thaumatococcus flavus (IUCN), Strombosia fleuryana and Drypetes verrucosa (both at ResearchGate), Torenia daubyi (Tropicos), Inversodicraea boumiensis (GBIF), Tristemma vestitum (IUCN), and Monanthotaxis paniculata (World Annonaceae).
Endemic fungi include Phylloporia
flabelliforma and Phylloporia
gabonensis (both at ResearchGate).
Endemic non-vascular plants include a liverwort Ceratolejeunea kuerschneri
(ResearchGate)
and the mosses Cyclodictyon
immersum (GBIF)
(BHL)
and Fissidens argyroloma
(GBIF).
Important terrestrial ecoregions in Gabon include the Atlantic
Equatorial Coastal Forests (WWF
WM)
and the Northwest Congolian Lowland Forests (WWF
WM).
Important freshwater ecoregions include the Southern Gulf of
Guinea Drainages (FEOW
WM)
and the Ogooue-Nyanga-Kouilou-Niari (FEOW
WM).