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Siluriformes (Catfishes) >
Sisoridae (Sisorid catfishes) > Sisorinae
Etymology: Gogangra: Perhaps from Greek, goggros, -ou = conger; derived also from the word "goggrone, -es" = goitre + an inclusion of Latin, conger. Look at the similitude goggros/goitre !!.
More on author: Hamilton.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande; flodvandrande (Ref. 51243). Tropical
Asia: Indus drainage in Pakistan and Ganges-Brahmaputra drainage in India and Bangladesh. Reported from Nepal (Ref. 6351) an Bhutan (Ref. 40882).
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 10.8 cm TL hane/ej könsbestämd; (Ref. 121646); publicerad maxvikt: 13.42 g (Ref. 121646)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 1; Mjukstrålar i ryggfenan (totalt) : 6; Ryggkotor: 33 - 34. Body pale greenish or grayish overall, with vivid, almost iridescent, horizontal silvery mark in the membrane connecting the opercle to the side of the cranium. Mesethmoid not greatly expanded, its dorsal profile slightly convex, Y-shaped anteriorly. Barbels short, slender; nasal barbel very short, extending posteriorly only to end of posterior naris; maxillary and mental barbels not reaching posteriorly beyond head; maxillary-barbel membrane absent or greatly reduced; maxillary bone inside maxillary barbel very short; outer and inner mental barbels evenly and widely separated. Paired lateral cranial fontanel absent. Branchiostegal membranes free from isthmus. Anal fin with 4-6 simple rays, 7-9 branched rays (typically 5 + 8) (Ref. 40780).
Found in the upper reaches of rivers (Ref. 41236).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Roberts, T.R., 2001. Ayarnangra estuarius, a new genus and species of sisorid catfish from the Ayeyarwaddy basin, Myanmar. Nat. Hist. Bull. Siam Soc. 49:81-87. (Ref. 44046)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00443 - 0.01240), b=3.04 (2.90 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
