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Malacocephalus occidentalis Goode & Bean, 1885

Western softhead grenadier
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Malacocephalus occidentalis   AquaMaps   Data sources: GBIF OBIS
上傳你的 相片 和 影像
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Image of Malacocephalus occidentalis (Western softhead grenadier)
Malacocephalus occidentalis
Male picture by Cambraia Duarte, P.M.N. (c)ImagDOP

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

Teleostei > Gadiformes (Cods) 鱈形目 (Cods) > Macrouridae (Grenadiers or rattails) 鼠尾鱈科 (Grenadiers or rattails)
Etymology: Malacocephalus: Greek, malakos = soft + Greek, kephale = head (Ref. 45335).
More on authors: Goode & Bean.

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

海洋 深海底的; 非遷移的; 深度上下限 140 - 1945 m (Ref. 2683), usually 300 - 500 m (Ref. 1371). 深水域; 43°N - 37°S, 98°W - 13°E (Ref. 1371)

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

Atlantic Ocean: in tropical and warm-temperate waters.
大西洋: 在熱帶與溫帶-溫帶水域中。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 45.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 1371); common length : 35.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 26999)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 0; 臀棘: 0. Snout short, narrow, weakly pointed. Chin barbel relatively long, about equal in length to eye diameter. Space between first and second dorsal fins wide. Overall color blackish, upper lateral and leading edge of snout, orbital rims, lower margin of suborbital, lips and gular membrane black.
吻短的﹐狹窄的, 微弱尖的。 下巴觸鬚相當長的, 大約與眼直徑長度相等。 廣闊地的間隔空間第一個與第二背鰭鰭。 整體的色彩黑色又上面的側部與吻又眼窩邊緣的前緣,眶下骨的下緣, 唇與喉部的薄膜黑色。

生物學特性     字彙 (例如 epibenthic)

Inhabits warm to temperate waters on the continental slope (Ref. 2683). Feeds on pelagic crustaceans (Ref. 27637).

棲息於溫暖的對溫帶的水域在大陸斜坡上.(參考文獻 2683) 吃大洋性的甲殼動物。 (參考文獻 27637)

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

大西洋: 在熱帶與溫帶-溫帶水域中。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Iwamoto, Tomio | 合作者

Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)

IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)

  無危 (LC) ; Date assessed: 04 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





人類使用

漁業: 低經濟
FAO - Publication: search | FishSource |

更多資訊

Trophic ecology
食物相
食性組成
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Food rations
捕食者
Ecology
生態學
Population dynamics
成長參數
Max. ages / sizes
Length-weight rel.
Length-length rel.
長度-頻率
Mass conversion
入添量
豐度
Life cycle
繁殖
成熟度
Maturity/Gills rel.
孕卵數
產卵場
Spawning aggregations

卵發育
仔魚
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參考文獻

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Estimates based on models

Preferred temperature (Ref. 123201): 7.5 - 16.6, mean 11.4 °C (based on 142 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00089 (0.00058 - 0.00137), b=3.30 (3.17 - 3.43), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
營養階層 (Ref. 69278):  3.9   ±0.2 se; based on diet studies.
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (35 of 100).
價格種類 (Ref. 80766):   Medium.