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Bagrus degeni  Boulenger, 1906

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Bagrus degeni
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Classification / Names आम नाम | उपशब्द | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

ऐकटीनोप्टीरेजी (रेज़-फिन्नढ मछलियाँ) > Siluriformes (Catfish) > Bagridae (Bagrid catfishes)
Etymology: Bagrus: Mozarabic, bagre, taken from Greek, pagros = a fish (Dentex sp.) (Ref. 45335).   More on author: Boulenger.

पर्यावरण / जलवायु / सीमा पारिस्थितिकी

; स्वच्छ जल, अलवण जल ड़िमरसल.   Tropical, preferred ?; 1°N - 3°S

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri

Africa: endemic to Lake Victoria (Ref. 51686, 58032).

आकार / वज़न / Age

Maturity: Lm ?  range ? - ? cm
Max length : 55.0 cm TL पुल्लिंग / अलिंग; (Ref. 52118)

Short description आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय रीढ़ (सम्पूर्ण): 1; पृष्ठीय सौफट रेज़ (सम्पूर्ण): 9; ऐनल सौफट रेज़: 12 - 13. Head much depressed, smooth above; long and narrow occipital processus, narrowly separated from interneural bone; snout broadly rounded, projecting beyond lower jaw (Ref. 2988). Eye iris dark, with a vivid yellow ring (Ref. 1568). Premaxillary band of teeth 6-7 times as long as broad, shorter than and as broad as or a little narrower than the vomerine band; maxillary barbel 1.25-2.33 times head length, extending to end of pectoral fin or a little beyond in adult, to end of ventral in young; nasal barbel 1/7(adult)-1/3 of head length; outer mandibular barbel 1.5-1.83 times length of inner and 0.5-1 times head length; gill-rakers rather long, widely set; dorsal spine smooth, less than 0.5 times head length; longest soft ray of dorsal fin 0.5-0.75 head length; adipose fin 4-5.5 times as long as deep, 1.5-1.66 times as long as dorsal fin; distance between dorsal and adipose fin 0.5-0.66 times dorsal fin length; pectoral spine not serrated in adult; caudal fin deeply forked, upper lobe with long filament (Ref. 2988). Coloration: species blackish brown or dark steel-blue above, whitish or brassy yellow beneath with grey to blackish fins (Ref. 2988). Dark, nearly black on the back, fading into silver on the body, tinged with yellow (Ref. 36900).

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ epibenthic)

Caught in reeds and papyrus; feeds on small fish; grows up to 30-40 pounds (= 13-18kg); flesh is good and fish is of high economic importance (Ref. 36900).

Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

Main reference Upload your references | संदर्भ | संयोजक | सहयोगीयो

Jayaram, K.C., 1966. Contributions to the study of the fishes of the family bagridae. A systematic account of the African genera with a new classification of the family. Bull. I.F.A.N. (A) 28(3):1064-1139. (Ref. 51686)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

मात्स्यिकी: व्यापारिक
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