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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
Ecologie
; zoet water demersaal; potamodroom (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).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 10.8 cm TL mannelijk / geslacht onbekend; (Ref. 121646); max. gepubliceerd gewicht: 13.42 g (Ref. 121646)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 1; Dorsale zachte stralen (totaal) : 6; Wervels: 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).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel
Tools
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00445 - 0.01234), b=3.04 (2.90 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
