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Chanos chanos (Fabricius, 1775)

Milkfish
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Chanos chanos   AquaMaps   Data sources: GBIF OBIS
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Image of Chanos chanos (Milkfish)
Chanos chanos
Picture by Gomen See@114°E Hong Kong Reef Fish Survey


Bahrain country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ba.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Carpenter, K.E., F. Krupp, D.A. Jones and U. Zajonz, 1997
National Database:

Common names from other countries

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Gonorynchiformes (Milkfishes) > Chanidae (Milkfish)
Etymology: Chanos: Greek, chanos, -eos, ous, and chasma, -atos = abyss, mouth opened, inmensity (Ref. 45335).

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

Θαλασσινό(ά); Γλυκού νερού; Υφάλμυρο βενθοπελαγικό; αμφίδρομο (Ref. 51243); εύρος βάθους 1 - 30 m (Ref. 6898), usually ? - 15 m (Ref. 89972).   Tropical; 15°C - 43°C (Ref. 43081); 46°N - 52°S, 19°E - 77°W

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

Indo-Pacific: along continental shelves and around islands, where temperatures are greater than 20°C. Red Sea and South Africa to Hawaii and the Marquesas, north to Japan, south to Victoria, Australia. Eastern Pacific: San Pedro, California to the Galapagos.

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: Lm 86.1, range 68 - 70 cm
Max length : 180 cm SL αρσενικό/απροσδιόριστο; (Ref. 9710); 124.0 cm SL (female); common length : 100.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 9814); μεγ. δημοσιευμένο βάρος: 14.0 kg (Ref. 9814); μεγ. αναφερόμενη ηλικία: 15 έτη (Ref. 9814)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 2; Μαλακές ραχιαίες ακτίνες (συνολικά) : 13 - 17; Εδρικές άκανθες: 2; Μαλακές εδρικές ακτίνες: 8 - 10; Σπόνδυλοι: 46. This species is characterized by the following: body elongate and somewhat compressed; mouth small and toothless; single dorsal about mid-level of the body; pectoral fins falcate; caudal fin large and deeply forked; no scutes on belly; branchiostegal rays 4. Colour of the body olive green dorsally; flanks silvery; unpaired fins with dark margins (Ref. 49, 117228).

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Adults are found in offshore marine waters and shallow coastal embayments, but also frequently enter estuaries and occasionally penetrate freshwater streams (Ref. 44894, 52331). They occur in small to large schools near the coasts or around islands where reefs are well developed. Eggs and larvae are pelagic up to 2-3 weeks. Older larvae migrate onshore and settle in coastal wetlands (mangroves, estuaries) during the juvenile stage, or occasionally enter freshwater lakes. Juveniles and sub-adults return to sea where they mature sexually. Mature adults spawn only in fully saline water. Larvae eat zooplankton; juveniles and adults eat cyanobacteria, soft algae, small benthic invertebrates, and even pelagic fish eggs and larvae. Larvae are collected from rivers and are grown in culture ponds into juveniles which are marketed fresh, smoked, canned or frozen. Brood stocks can be raised and spawned in captivity to produce larvae in the hatchery (Ref. 12868). This species can thrive and grow in water as hot as 32° C (Ref. 9987).

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Spawns in clear shallow waters above a bottom of sand or coral and at a distance of not more than 30 km from the shore. Females spawn up to 5 million eggs which hatch in about 24 hr. The larvae seek out clear coastal and estuarine waters warmer than 23°C with 10-32 salinity and abundant phytoplankton. Spawning and fertilization take place at night.

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Bagarinao, T., 1994. Systematics, distribution, genetics and life history of milkfish, Chanos chanos. Environ. Biol. Fishes 39(1):23-41. (Ref. 9814)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 23 June 2016

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

αλιεία: πολύ εμπορικό; Υδατοκαλλιέργειες: Εμπορικό(ά); αλιεία αναψυχής: ναί; δόλωμα: usually
FAO(Aquaculture systems: Παραγωγή, species profile; αλιεία: Παραγωγή; publication : search) | FishSource | Η θάλασσα γύρω μας

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Estimates based on models

Preferred temperature (Ref. 115969): 20.7 - 29.2, mean 28.2 (based on 4182 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00651 - 0.01113), b=3.06 (2.98 - 3.14), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  2.6   ±0.18 se; based on food items.
Ελαστικότητα (Ref. 120179):  Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (tm=4-8; tmax=15; Fec=200,000).
Prior r = 0.28, 95% CL = 0.19 - 0.42, Based on 3 data-limited stock assessments.
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100).
Climate Vulnerability (Ref. 125649):  High to very high vulnerability (66 of 100).
Price category (Ref. 80766):   Unknown.