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Butis butis  (Hamilton, 1822)

Duckbill sleeper
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Native range | All suitable habitat | Point map | Year 2100
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Butis butis   AquaMaps   Data sources: GBIF OBIS
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Image of Butis butis (Duckbill sleeper)
Butis butis
Picture by Ratmuangkhwang, S.

Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (strålfeniga fiskar) > Perciformes (Perch-likes) > Eleotridae (Sleepers) > Butinae

Miljö / Klimat / Range Ekologi

; marina; sötvatten; brackvatten bottenlevande; pH range: 7.0 - 8.0; dH range: 9 - 19; amfidrom (Ref. 51243).   Tropical; 22°C - 28°C (Ref. 2060), preferred ?

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Indo-West Pacific: East Africa to Fiji (Ref. 6820).

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm TL hane/ej könsbestämd; (Ref. 6802)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 7; Mjukstrålar i ryggfenan (totalt): 8; Taggstrålar i analfenan 1; Mjukstrålar i analfenan: 8 - 9. Dark longitudinal lines on body; caudal fin black with light margin dorsally; pectoral base with 1-2 black spots (Ref. 5493).

Biologi     Ordlista (t.ex. epibenthic)

Inhabits brackish mangrove estuaries and lower reaches of freshwater streams, usually on mud bottoms (Ref. 44894). Usually found in lagoons and estuaries, particularly where there is vegetation (Ref. 6028, 79840). Occurs frequently in mangrove swamps (Ref. 2847, 79840). Occasionally ascends rivers (Ref. 6028). Feeds mainly on small fishes and crustaceans (Ref. 6028, 79840). Marketed fresh (Ref. 12693).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Hoese, D.F., 1986. Eleotridae. p. 807-811. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 5493)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fiskeri: mindre kommeriell
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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