Klassifizierung / Names
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Gobionellus: Diminutive of Latin, gobius = gudgeon (Ref. 45335).
More on author: Starks.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
; brackwasser demersal. Tropical
Southwest Atlantic: endemic to Brazil.
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 13.9 cm TL Männchen/unbestimmt; (Ref. 111953); max. veröff. Gewicht: 10.70 g (Ref. 122735)
Rückenflossenstacheln (insgesamt) : 7; Rückenflossenweichstrahlen (insgesamt) : 11 - 13; Afterflossenstacheln: 1; Afterflossenweichstrahlen: 14. This species is distinguished from its congeners by the following characters: terminal mouth is oblique; distinct pigmentation of 5 large blotches on sides of trunk, last four of which are vertically elongate, dark blotch on upper half of pectoral-fin base, and broad suborbital patch crossing cheek from eye to middle of upper jaw; D2 13; A 14; dorsal fins not broadly connected; body with small cycloid scales; lateral series 54-66; nape with scales along naked midline; in males, maxilla extending beyond posterior margin of orbit, in females to posterior margin; first gill arch with seven thin rakers on ceratobranchial, one at angle, and six on epibranchial; horizontal midcheek row ‘b’ not extending forward beyond 3rd or 4th transverse suborbital row (Ref. 55435).
This species is an inhabitant of estuaries and has been taken over fine sediments near mangroves.
Starks (1913) commented that it was not found in rocky tidal pools (Ref. 55435).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Pezold, F., 2004. Redescriptions and synonymies of species of the American-west African genus Gobionellus (Teleostei: Gobiidae) with a key to species. Copeia 2004(2):281-297. (Ref. 55435)
IUCN Rote Liste Status (Ref. 130435: Version 2024-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00324 - 0.01230), b=3.02 (2.85 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±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).
