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Pseudotolithus elongatus (Bowdich, 1825)

Bobo croaker
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Native range | All suitable habitat | Point map | Year 2050
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Pseudotolithus elongatus   AquaMaps   Data sources: GBIF OBIS
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Pseudotolithus elongatus
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Ivory Coast (Côte d'Ivoire) country information

Common names: Eze, Vovoba, Wowo
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in Ébrié Lagoon (Ref. 28587).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/iv.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Chao, L.N. and E. Trewavas, 1990
National Database:

Common names from other countries

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Eupercaria/misc (Various families in series Eupercaria) 鱸形目 (Various families in series Eupercaria) > Sciaenidae (Drums or croakers) 石首魚科 (Drums or croakers)
Etymology: Pseudotolithus: Greek, pseudes = false + greek, otos = ear + Greek, lithos = stone (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range 生態學

海洋; 淡水; 半鹹淡水 居於水底的; 深度上下限 0 - 100 m (Ref. 3593), usually 50 - 100 m (Ref. 26999).   熱帶; 17°N - 6°S, 17°W - 14°E (Ref. 54743)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Eastern Atlantic: west coast of Africa, from Senegal to at least southern Angola (Ref. 3593, 57396, 81656).
東大西洋: 塞內加爾到安哥拉南部。

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 19.1  range ? - ? cm
Max length : 62.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 52841); common length : 30.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 3593)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 11; 背的軟條 (總數) : 29 - 35; 臀棘: 2; 臀鰭軟條: 6 - 7. Diagnosis: medium-sized fish, fusiform/elongate and laterally compressed (Ref. 57396, 81656). Head and snout short (Ref. 57396). Eyes rather large (Ref. 57396, 81656), 3.6-4.6 times in HL, but this character is difficult to use for identification because of allometry (Ref. 81656). Mouth large and oblique (Ref. 57396, 81656), subterminal (Ref. 57396). Maxilla extending beyond posterior eye border (Ref. 81656). Teeth villiform, set in narrow bands in both jaws; 5 marginal pores on snout and 6 mental pores (Ref. 57396). Gill rakers long (Ref. 57396, 81656) and slender (Ref. 57396), longer than gill filaments at angle of first gill arch (Ref. 57396, 81656), 11-16/1/5-8 (total 19-25) on 1st gill arch (Ref. 81656). Lower part of 1st gill arch with 0-5 reduced additional gill rakers, upper part with 0-3 reduced additional ones; preopercular edge denticulate, with a few strong spines in the corner (Ref. 81656). Dorsal fin long, deeply notched (Ref. 57396), with 10 spines in 1st part and 1 spine and 29-35 soft rays in 2nd part (Ref. 81656). 2nd anal fin spine very strong, about as long as 1st soft ray (Ref. 57396, 81656) and comprised less than twice in head length (Ref. 57396). Pectoral fins long, 23.6-29.6% SL (Ref. 81656). Caudal fin more or less pointed (Ref. 57396, 81656) or rhomboidal (Ref. 81656). Scales ctenoid on body, cycloid on breast and head; lateral line extending to hind margin of caudal fin; swim bladder carrot-shaped, its front end with a pair of appendages subdividing into a group of short anterior branches and a bundle of 5-6 slender tubes extending backwards over half the length of swim bladder (Ref. 57396). Coloration: general colour silver-grey with a reddish sheen (Ref. 81656), back olivaceous brown (Ref. 57396) with series of dark dots, belly light, yellowish during reproduction period (Ref. 57396, 81656). Dorsal and caudal fins greyish (Ref. 81656). Spinous part of dorsal fin dark, soft part lighter, with 2-3 longitudinal series of dark dots; pelvics and anal fin yellowish (Ref. 57396, 81656).

生物學特性     字彙 (例如 epibenthic)

Found in coastal waters over mud bottom (Ref. 3593, 57396, 81656), very close to the shore (Ref. 57396). Also enters estuaries and coastal lagoons (Ref. 3593, 81656), where reproduction takes place (Ref. 57396). Moves farther offshore to about 100 m for spawning during rainy season from December to February; feeds on (juvenile) fish, shrimps (Ref. 28587, 81656) and other crustaceans (Ref. 81656).

發現於在泥底上的沿岸水域了, 也進入河口與岸邊潟湖。 移動更遠的外海到大約 100 公尺在雨季從十二月到二月期間進行產卵。 吃魚與蝦。 (參考文獻 28587)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

東大西洋: 塞內加爾到安哥拉南部。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Chao, L.N. and E. Trewavas, 1990. Sciaenidae. p. 813-826. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3593)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 10 March 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的




人類使用

漁業: 商業性; 游釣魚種: 是的
FAO(漁業: 產生, 魚種描繪; publication : search) | FishSource | 周邊海洋

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Estimates based on models

Preferred temperature (Ref. 115969): 16.3 - 20.9, mean 19.2 (based on 24 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00379 - 0.01100), b=3.08 (2.94 - 3.22), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
營養階層 (Ref. 69278):  4.1   ±0.70 se; based on food items.
回復力 (Ref. 120179):  中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.27-0.4;).
Prior r = 0.52, 95% CL = 0.34 - 0.78, Based on 3 data-limited stock assessments.
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (32 of 100).
Climate Vulnerability (Ref. 125649):  High to very high vulnerability (74 of 100).
價格種類 (Ref. 80766):   High.