India country information

Common names: Kolaan, Viviparous half beak, കോലാന്
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: commercial | Ref: Jhingran, V.G., 1983
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs throughout India and Andaman Islands (Ref. 45255). Found in rivers, estuaries and mangroves (Ref. 43640).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/in.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Kapoor, D., R. Dayal and A.G. Ponniah, 2002
National Database:

Common names from other countries

Halfbeak, Spoonfin river garfish, Viviparous half beak, ... more

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Beloniformes (Needle fishes) > Zenarchopteridae (Internally fertilized halfbeaks)
Etymology: Zenarchopterus: Particle zen, derived from zao = to give life + Greek, archos = anus + Greek, pteron = fin.
More on author: Valenciennes.

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

seewasser; süßwasser; brackwasser riff-verbunden; pH range: 7.0 - 8.0; dH range: 10 - ?; ozeanodrom (Ref. 51243); tiefenbereich 0 - 3 m (Ref. 86942). Tropical; 24°C - 28°C (Ref. 12468)

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Indo-Pacific: Kenya, Mozambique, Seychelles, Madagascar, New Guinea, Solomon Islands, Australia, New Caledonia, Fiji, and Samoa. Reported from Sri Lanka (Ref. 6028) and Vanuatu (Ref. 13300). Also found in India, Malaysia, Thailand and Singapore (Ref. 43081).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 19.0 cm TL Männchen/unbestimmt; (Ref. 7050)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 0; Rückenflossenweichstrahlen (insgesamt): 11-12; Afterflossenstacheln 0; Afterflossenweichstrahlen: 12 - 13; Wirbelzahl: 42 - 43. Upper jaw distinctly wider than long. Snout uniform brown without any dark band on the midline. Pectoral fin shorter than head length. Lower jaw much shorter than head. Sixth and seventh anal rays of adult males greatly thickened and elongated, both rays reaching beyond the caudal base. Either dorsal ray 4 or 5 or both elongated and thickened.

Inhabit shallow water around mangrove in sheltered bays (Ref. 26367). Early juveniles are neustonic and float on the surface of estuarine mangroves (Ref. 43081).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Collette, B.B., 1986. Hemiramphidae. p. 163-164. In J. Daget, J.P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 6798)

IUCN Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 07 November 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: kommerziell

FAO(Publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 26.2 - 29.3, mean 28.6 (based on 2318 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00457 (0.00200 - 0.01044), b=3.03 (2.83 - 3.23), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.9 ±0.5 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Preiskategorie (Ref. 80766): Unknown.

Zenarchopterus dispar (Valenciennes, 1847)