Tanzania country information

Common names: Janja
Occurrence: native
Salinity: brackish
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/tz.html
National Fisheries Authority: http://www.isp.msu.edu/AFRICANSTUDIES/PLEA/TAFIRI.HTM
Occurrences: Occurrences Point map
Main Ref: Bianchi, G., 1985
National Database:

Common names from other countries

Vivaneau à bande brune, Pargo bitilla, عصموديّ ذورُقعة بُنِّية, ... more

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | 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 authors: Quoy & Gaimard.

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

marino; salobre asociado a arrecife; rango de profundidad 10 - 72 m (Ref. 9710). Tropical; 35°N - 26°S, 50°E - 180°E (Ref. 55)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Indo-West Pacific: Seychelles, then southern India to New Caledonia and Gilbert Islands, extending northward to the Ryukyu Islands Replaced by Lutjanus ophuysenii from southeastern China and Taiwan to southern Korea and Japan (Ref. 37816).

Length at first maturity / Tamaño / Peso / Age

Maturity: L_m 15.4, range 14 - 22 cm
Max length : 40.0 cm TL macho / no sexado; (Ref. 55); common length : 35.0 cm TL macho / no sexado; (Ref. 5450); edad máxima reportada: 12 años (Ref. 37970)

Short description Morfología | Morfometría

Espinas dorsales (total): 10; Radios blandos dorsales (total): 12-14; Espinas anales 3; Radios blandos anales: 8 - 9. Dorsal profile of head moderately sloped. Preorbital width about equal to eye diameter. Preopercular notch and knob poorly developed. Scale rows on back rising obliquely above lateral line. Generally whitish or pink with a yellowish brown to black stripe on the middle of the side. Juveniles and sub-adults with an intensely black mid-lateral stripe and an oval black spot, eye-sized or greater, lying in the middle of the stripe below last dorsal spines. Adults with yellow median fins (Ref. 48635). Body depth 2.6-3.0 in SL (Ref. 90102).

Adults are found in the vicinity of coral reefs, also areas with flat bottoms and occasional low coral outcrops, sponges, and sea whips. They occur singly or in groups of up to about 30 individuals. Feed on fishes, shrimps, crabs and other benthic invertebrates.

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Sex ratio differed significantly from 1:1 above 30 cm fork length (Ref. 4840). Larvae grow at a rate of 1.2 to 1.7 mm per day during the first 1 or 2 months.

Main reference Upload your references | Referencias | Coordinador | Colaboradores

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)

Least Concern (LC) ; Date assessed: 05 March 2015

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Pesquerías: comercial; Acuario: Acuarios públicos

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

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componentes alimenticios
consumo de alimento
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Huevos
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Age/Size
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Larva
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heritabilidad
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Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Datos específicos | Nombres comunes | Photos

Fuentes de Internet

Estimates based on models

Preferred temperature (Ref. 115969): 25.1 - 29.1, mean 28.2 (based on 1040 cells).

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

Bayesian length-weight: a=0.01479 (0.01292 - 0.01693), b=2.97 (2.94 - 3.00), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Nivel trófico (Ref. 69278): 4.0 ±0.3 se; based on diet studies.

Resiliencia (Ref. 120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (K=0.22-0.70; tmax=12).

Fishing Vulnerability (Ref. 59153): Low vulnerability (23 of 100).

Price category (Ref. 80766): High.

Lutjanus vitta (Quoy & Gaimard, 1824)