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Lutjanus fuscescens (Valenciennes, 1830)

Freshwater snapper
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Lutjanus fuscescens
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Philippines country information

Common names: Aluman, Islawan, Katambak
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: of no interest | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Specimens were collected from Calbiga-a creek, Leyte in 1993 (Ref. 7223).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Allen, G.R., 1985
National Database:

Common names from other countries

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Lutjanidae (Snappers) > Lutjaninae
Etymology: Lutjanus: Malay, ikan lutjan, name of a fish.
  More on author: Valenciennes.

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

; sötvatten; brackvatten bottenlevande; djupintervall ? - 15 m (Ref. 86942).   Tropical; 24°N - 13°S, 106°E - 161°E (Ref. 55)

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Asia and Oceania: known only from China, Philippines, Indonesia, New Guinea and the Solomon Islands. Reported from New Caledonia (Ref. 13235).

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL hane/ej könsbestämd; (Ref. 55)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 10; Mjukstrålar i ryggfenan (totalt): 13-15; Taggstrålar i analfenan 3; Mjukstrålar i analfenan: 8. Dorsal profile of head moderately sloped. Preorbital width about equal to, or slightly narrower than eye diameter. Preopercular notch and knob poorly developed. Scale rows on back rising parallel to lateral line. Back and sides grayish-brown or olive, becoming whitish on belly. A prominent black blotch on the lateral line below the anterior soft dorsal-fin rays. Juveniles with a series of diffuse blackish bars on sides.

Biologi     Ordlista (t.ex. epibenthic)

Adults inhabit freshwater streams and brackish, mangrove-lined estuaries. Juveniles upstream (Ref. 48635). Not reported from purely marine habitats.

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Allen, G.R., 1985. FAO Species Catalogue. Vol. 6. Snappers of the world. An annotated and illustrated catalogue of lutjanid species known to date. FAO Fish. Synop. 125(6):208 p. Rome: FAO. (Ref. 55)

IUCN Red List Status (Ref. 130435)

  Data deficient (DD) ; Date assessed: 22 July 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fiskeri: saknar intresse
FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00706 - 0.03101), b=2.97 (2.81 - 3.13), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.9   ±0.6 se; based on size and trophs of closest relatives
Resiliens (Ref. 120179):  Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (30 of 100).