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Babka gymnotrachelus  (Kessler, 1857)

Racer goby
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Babka gymnotrachelus
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Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (peixes com raios nas barbatanas) > Perciformes (Perch-likes) > Gobiidae (Gobies) > Gobiinae

Ambiente / Clima / Intervalo Ecologia

; Água doce; estuarina bentopelágico.   Temperate; 4°C - 20°C (Ref. 2059), preferred ?; 49°N - 40°N, 25°E - 54°E

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Eurasia: Widespread all over the Marmara, Black and Caspian seas basins; inhabits mostly fresh- and brackish waters with low salinity (<2%).

Length at first maturity / Tamanho / Peso / Idade

Maturity: Lm ?, range 6 - ? cm
Max length : 16.2 cm TL macho/indeterminado; (Ref. 2058); Idade máx. registada: 5 anos (Ref. 59043)

Descrição suscinta Morfologia | Morfometria

Espinhos dorsais (total): 7 - 8; Raios dorsais (total): 14-18; Espinhos anais 1; Raios anais : 12 - 16. This species is distinguished from its congeners entering freshwater in Europe by the following characters: irregular position and shape of diagonal bars on body; first branched ray of second dorsal about as long as penultimate ray; no scales on midline of nape, in front of preoperculum; pelvic-disc fraenum with small rounded lobes and the length is less than 1/6 of width at base; scales in midlateral series 54-62 + 2-3; posterior part of first dorsal without black spot (Ref. 59043).

Biologia     Glossário (p.ex. epibenthic)

Occurs in brackish- and fresh-water habitats with low salinity (< 2 ppt); lagoons and lakes; large rivers to small, fast-flowing streams; on sand or mud bottom; mainly in well vegetated or high-complexity habitats. Abundant in backwaters and still channels (Ref. 59043). Longevity is 4-5 years; spawns for the first time at 2 years; spawning season in April to June, occasionally until mid-August; females may repeat spawning during a season; usually spawns for a single season. Males guard eggs until hatching; with adhesive eggs deposited on stones, shells and aquatic plants (Ref. 59043). Feeds on crustaceans (esp. Corophiid amphipods), aquatic insects (mostly chironomid larvae), polychaetes, also small fish and mollusks (Ref. 4696).

Life cycle and mating behavior Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas

Adhesive eggs are deposited on stones, shells and aquatic plants. Males guard eggs until hatching (Ref.59043).

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Miller, P.J., 1986. Gobiidae. p. 1019-1085. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the North-eastern Atlantic and the Mediterranean. Volume 3. UNESCO, Paris. (Ref. 4696)

Status na Lista Vermelha da IUCN (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Perigo para os humanos

  Harmless




Uso pelos humanos

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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