Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 淡水; 半鹹淡水 居於水底的; 非產卵性溯降河的 (Ref. 46888). 熱帶
Indo-Pacific: Delagoa Bay, Mozambique and Madagascar to China and Philippines (Ref. 6802, 82489). Eastern Atlantic: collected from Port Harcourt (Niger delta in Nigeria) (Ref. 7391, 57413), apparently introduced (Ref. 7050). Also found (introduced) in Guinea and Cameroon (Ref. 82489). Other introduced populations are known from Panama, Venezuela and Brazil (Ref. 82489).
印度-太平洋: 莫三比克的 Delagoa 灣與馬達加斯加到中國與菲律賓。 東大西洋: 哈考特港 (在奈及利亞的尼日三角州).(參考文獻 7391)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 10.7 cm TL 雄魚/尚未辨別雌雄; (Ref. 57413)
背棘 (總數) : 7; 背的軟條 (總數) : 7 - 8; 臀棘: 1; 臀鰭軟條: 7 - 9. Diagnosis: 11-15 scales in predorsal series; 25-29 ctenoid scales in longitudinal series (including 1-2 scales on caudal fin base); 9-12 scales in rearward transverse series; 1st dorsal fin: VI; second dorsal fin: I,8 (rarely 7); anal fin: I,7-9 (usually 8); pectoral fins: 19-22; pelvics relatively long, their tips almost, or just reaching level of anus; caudal fin rounded, with 11-16 segmented rays (Ref. 57413, 82489). 1st gill arch with 4-5 gill rakers on epibranchial, 6-8 on ceratobranchial (Ref. 82489), about 12 in total, that are narrow and spine-like (Ref. 57413). Dark brown, scales edged in dark brown (Ref. 5493). Body with 4-5 oblique bands (Ref. 5493, 82489), crossing dorsum at nape, 1st dorsal fin, 2nd dorsal fin and caudal peduncle (one or two)(Ref. 82489). Anterior part of 1st dorsal fin dark, 2nd dorsal and caudal fin with alternating dark brown and white spots, anal and pelvic fins dusky to black, pectorals clear; females with more distinct bands and lighter fins (Ref. 5493).
Coloration: Preserved specimens: 2-3 longitudinal series of small dark spots above midline of flanks; broad, dark, crossbar running from each dorsal fin base towards belly, bifurcating on flanks into separate bands; 2 narrower crossbars on caudal peduncle; a lunate band on base of caudal fin; dark pre- and suborbital bands on head, confluent below eye; dark spot behind eye and light horizontal band running to posterior of operculum; snout marbled; 3 dark crossbars on nape preceding a light area in front of 1st dorsal-fin base; ventral area of head speckled; both dorsal fins with a dark proximal band; 1st dorsal fin more or less entirely dark to distal margin; 2nd dorsal fin with dark distal margin; anal and pelvic fins black, except distal area of pelvic fins lighter; pectoral fins with a dark spot at base (edged red in life) and an upper, smaller, dark spot sometimes evident (Ref. 57413).
深褐色的, 鱗片邊緣是深褐色的; 身體有 4-5 斜紋; 第一背鰭的前部深色的, 第二背鰭而且尾鰭有交互的深褐色與白色的斑點，臀鰭與腹鰭鰭暗色到黑色的, 胸鰭清澈的.(參考文獻 5493) 雌魚有更多的明顯條紋與顏色淡的鰭。 (參考文獻 5493)
Inhabits rivers, estuaries (Ref. 4967) and mangrove creeks (Ref. 10812). Feeds on crustaceans and small fishes. Marketed fresh (Ref. 12693). Maximum size recorded in West Africa was 8.3 cm TL (Ref. 57413).
棲息於河，河口 (參考文獻 4967) 與紅樹林小溪。 (參考文獻 10812) 吃甲殼動物與小魚。 在市場上銷售生鮮地了。 (參考文獻 12693)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Distinct pairing (Ref. 205).印度-太平洋: 莫三比克的 Delagoa 灣與馬達加斯加到中國與菲律賓。 東大西洋: 哈考特港 (在奈及利亞的尼日三角州).(參考文獻 7391)
Miller, P.J. and P. Wongrat, 1990. Eleotridae. p. 952-957. In J. C. Quéro, J. C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 10812)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 31 July 2020
人類使用
漁業:
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Estimates based on models
Preferred temperature (Ref.
123201): 24.8 - 29.1, mean 28.3 °C (based on 1224 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00571 - 0.01597), b=3.19 (3.04 - 3.34), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 4.0 ±0.66 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
