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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Ctenogobius: Greek, kteis, ktenos = comb + Latin, gobius = gudgeon (Ref. 45335).
Environment: milieu / climate zone / Tiefenbereich / distribution range
Ökologie
seewasser; brackwasser demersal. Tropical
Eastern Central Atlantic: Senegal to Democratic Republic of the Congo (Ref. 57403, 79590) and the islands of the Gulf of Guinea (Ref. 79590). Also reported from the Cunene in Namibia (Ref. 33857) and Angola (Ref. 120641).
Size / Gewicht / Alter
Geschlechtsreife: Lm ? range ? - ? cm
Max length : 6.0 cm TL Männchen/unbestimmt; (Ref. 57403)
Rückenflossenstacheln (insgesamt) : 7; Rückenflossenweichstrahlen (insgesamt) : 10 - 11; Afterflossenstacheln: 1; Afterflossenweichstrahlen: 11 - 13. Diagnosis: mouth subterminal and slightly oblique, angle of mouth reaching to below mideye; operculum and predorsal region of head without scales; 29-35 scales in longitudinal series on flanks (plus perhaps 1-2 scales on caudal fin base); 10-14 (mode 11) scales in rearward transverse series; 1st dorsal fin: VI; 2nd dorsal fin: I,10-11 (mode 11): anal fin: I,11-13 (mode 12); pectoral fins: 16-18 (mode 17); caudal fin lanceolate, with 16-17 segmented rays (13-14 of them branched) (Ref. 57403, 79590).
Coloration: Preserved specimens: marbled with brown on back and irregular cross bars on nape; thin dark suborbital bar extending anteroventrally from eye to angle of mouth; several vertical dark lines on cheeks; 5 distinct spots along midlateral line of body, last one located at base of caudal fin; irregular row of tiny spots above midline, scale pockets with dark margins forming reticulate pattern laterally; 1st dorsal fin with 4-5 black longitudinal bands consisting of fine spots; 2nd dorsal fin with approximately 2 bands of fine spots; pectoral and caudal fins with spots forming vertical bands; anal and pelvic fins dusky (Ref. 57403, 79590).
Body shape (shape guide): elongated.
Facultative air-breathing in the genus (Ref. 126274); Inshore marine species; may also be found in brackish waters of lagoons (Ref. 7390, 57403, 79590).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Harrison, I.J., P.J. Miller and F. Pezold, 2003. Gobiidae. p. 625-666 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57403)
IUCN Rote Liste Status (Ref. 130435: Version 2024-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell
Tools
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00353 - 0.02836), b=3.08 (2.84 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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