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> Centrarchiformes (Basses) > Percichthyidae (Temperate perches)
Etymology: Gadopsis: Latin, gadus = a fish, cod? + Greek,opsis = appearance (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water demersaal. Temperate; 34°S - 36°S

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Oceania: endemic to Australia.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 32.0 cm SL mannelijk / geslacht onbekend; (Ref. 35369)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 1 - 3; Dorsale zachte stralen (totaal) : 35 - 38; Anale stekels: 3; Anale zachte stralen: 17 - 20; Wervels: 46 - 49. Adults are brown to blackish along the sides, with variable mottled or blotched patterns bordered by yellow, and whitish ventrally (Ref. 33616).

Occur in cool, clear streams with rocky bottoms in mountain terrain (Ref. 33616); with fast to moderate flow (Ref. 44894). Often abundant at altitudes of 200-700 m (Ref. 33616). Benthic, nocturnally active species which usually occur solitary. Juveniles often found in large groups among leaf litter and wood debris. Movements are restricted to a relatively small stretch of river over the duration of the life span. Occur with G. marmoratus at lower elevations, but they have different habitat preferences. Feed on insect larvae, fishes, fish eggs, earthworms and crustaceans. Breed between October and December. Sexual maturity is attained after 2 years (Ref. 44894). Often caught by recreational fishers targeting trout, although not a desirable target due to its small size (Ref. 33616).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Male guard the eggs and developing larvae until yolk sac is almost completely resorbed (Ref. 35369).

Hoofdreferentie Upload your references | Referenties | Coördinator : Arratia, Gloria | Medewerkers

Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)

Gevoelig (NT) (B2b(ii,iii)); Date assessed: 14 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: van geen belang

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01047 (0.00400 - 0.02738), b=3.01 (2.79 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.6 ±0.50 se; based on food items.

Weerstandsvermogen (Ref. 120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Fec=120-320).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (29 of 100).

Gadopsis bispinosus Sanger, 1984