Hemibagrus microphthalmus : fisheries

Hemibagrus microphthalmus (Day, 1877)

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Hemibagrus microphthalmus
Picture by Jean-Francois Helias / Fishing Adventures Thailand

Classification / Names Nomi Comuni | Sinonimi | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterigi (pesci con pinne raggiate) > Siluriformes (Catfish) > Bagridae (Bagrid catfishes)
Etymology: Hemibagrus: Greek, hemi = the half + Mozarabic, bagre, Greek, pagros = a fish, Dentex sp. (Ref. 45335).  More on author: Day.

Environment: milieu / climate zone / depth range / distribution range Ecologia

; acqua dolce; salmastro demersale; potamodromo (Ref. 51243).   Tropical

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Asia: Manipur drainage in India, Irrawaddy and Sittang drainages in Myanmar and, Salween River in Thailand (Ref. 41209). Records from Laos refer to Hemibagrus wyckioides (Ref. 43281).

Size / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 150 cm NG maschio/sesso non determinato; (Ref. 94495); peso massimo pubblicato: 80.0 kg (Ref. 9497)

Short description Morfologia | Morfometria

Spine dorsali (totale): 2; Raggi dorsali molli (totale): 7; Raggi anali molli: 12 - 13; Vertebre: 51 - 54. Distinguished from its congeners by a unique combination of the following characters: length of dorsal-fin base 13.7-16.7% SL, dorsal to adipose distance 8.6-14.2% SL, interorbital distance 28.4-31.8% HL, eye diameter 9.2-11.3% HL and a rounded snout (Ref. 41209).

Biologia     Glossario (es. epibenthic)

Occurs in deeper rocky areas and tree roots (Ref. 37771). Species caught throughout the year. Enters flooded forest during the months of high water (July-October). Feeds on fish, shrimps and crabs (Ref. 9497).

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Ng, H.H. and C.J. Ferraris Jr., 2000. A review of the genus Hemibagrus in Southern Asia, with descriptions of two new species. Proc. Cal. Acad. Sci. 52(11):125-142. (Ref. 41209)

IUCN Red List Status (Ref. 120744)

  Least Concern (LC) ; Date assessed: 22 December 2009

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Pesca: scarso interesse commerciale
FAO(Publication : search) | FishSource |

Informazioni ulteriori

Stati
Aree FAO
Ecosystems
Presenze
Introduzioni
Stocks
Ecologia
Dieta
Prede
Consumo di cibo
Razione
Nomi Comuni
Sinonimi
Metabolismo
Predatori
Ecotossicologia
Riproduzione
Maturità
Deposizione
Spawning aggregation
Fecundity
Uova
Egg development
Age/Size
Accrescimento
Length-weight
Length-length
Length-frequencies
Morfometria
Morfologia
Larve
Dinamica popolazioni larvali
Reclutamento
Abbondanza
Bibliografia
Acquacoltura
Profilo di acquacoltura
Varietà
Genetica
Frequenze alleliche
Ereditarietà
Malattie
Elaborazione
Mass conversion
Collaboratori
Immagini
Stamps, Coins Misc.
Suoni
Ciguatera
Velocità
Modalità di nuoto
Area branchiale
Otoliths
Cervelli
Vista

Strumenti

Special reports

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.00717 - 0.02656), b=3.01 (2.85 - 3.17), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic Level (Ref. 69278):  3.9   ±0.67 se; Based on food items.
Resilienza (Ref. 120179):  Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (55 of 100) .
Price category (Ref. 80766):   Unknown.