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Eupercaria/misc (Various families in series Eupercaria) >
Gerreidae (Mojarras)
Etymology: Gerres: Latin, gerres = a kind of anchovies; cited by Plinius.
More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
生態学
海; 新鮮な水; 汽水性の 底生の; 両側回遊性 (Ref. 51243); 深さの範囲 1 - 50 m (Ref. 4372). Tropical; 26°C - 29°C (Ref. 4959); 32°N - 35°S, 25°E - 171°E
Indo-West Pacific: East Africa and Madagascar to Japan and Australia; New Caledonia (Ref. 26587) and Vanuatu (Ref. 13300). Enters rivers and lakes in Madagascar and the east coast of Africa. Not in the Middle East (Ref. 103159).
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm 19.0 range ? - ? cm
Max length : 39.0 cm TL オス/雌雄の選別がない; (Ref. 116875); common length : 15.0 cm SL オス/雌雄の選別がない; (Ref. 4967)
背面の脊椎 (合計) : 9; 背鰭 (合計) : 10 - 11; 肛門の骨: 2 - 3; 臀鰭: 7 - 8.
Adults are coastal inhabitants found on soft bottoms (Ref. 44894), over sandy substrate (Ref. 12693). Juveniles are found in brackish mangrove estuaries, sometimes enter fresh water (Ref. 2847, 44894), lakes (Ref. 4323), tidal creeks (Ref. 44894) and lower freshwater reaches of rivers (Ref. 12915). Feed on small crustaceans, polychaetes and forams on sand or muddy-sand bottoms (Ref. 12915), worms and insect larvae (Ref. 12693). Length at first reproduction was reported to be around 12 cm SL, for a population in a South African estuary (D. Woodland, pers.comm. 07/13). Salted or made into fish sauce.
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Juveniles enter estuaries and mangrove areas at 1 cm SL and stay until they reach maturity, at which stage they move out to sea (Ref. 36558).
Woodland, D.J., 1984. Gerreidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean fishing area 51. Vol. 2. [pag. var.]. FAO, Rome. (Ref. 3409)
Human uses
水産業: 少数商業の
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 24.8 - 29.1, mean 28.2 °C (based on 1220 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01230 (0.01004 - 0.01507), b=3.05 (3.01 - 3.09), in cm total length, based on LWR estimates for this species (Ref.
93245).
栄養段階 (Ref.
69278): 3.3 ±0.2 se; based on diet studies.
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (K=0.7).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (32 of 100).
Nutrients (Ref.
124155): Calcium = 140 [77, 253] mg/100g; Iron = 1 [1, 2] mg/100g; Protein = 18.7 [16.8, 20.5] %; Omega3 = 0.24 [0.13, 0.42] g/100g; Selenium = 47.4 [26.5, 88.1] μg/100g; VitaminA = 18.7 [5.9, 46.9] μg/100g; Zinc = 1.42 [0.97, 1.98] mg/100g (wet weight);
