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Coryphaenoides acrolepis (Bean, 1884)

Pacific grenadier
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Coryphaenoides acrolepis   AquaMaps   Data sources: GBIF OBIS
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Image of Coryphaenoides acrolepis (Pacific grenadier)
Coryphaenoides acrolepis
Picture by Orlov, A.

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

Actinopterygii 輻鰭魚綱 (條鰭魚) > Gadiformes (Cods) 鱈形目 (Cods) > Macrouridae (Grenadiers or rattails) 鼠尾鱈科 (Grenadiers or rattails) > Macrourinae
Etymology: Coryphaenoides: Greek, koryphaina = dolphin fish + Suffix oides = similar to (Ref. 45335);  acrolepis: From the Greek 'acros' meaning sharp and 'lepis' meaning scale (Ref. 6885).  More on author: 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 300 - 3700 m (Ref. 50550), usually 900 - 1300 m (Ref. 56476).   深水域; 1°C - 4°C (Ref. 1371); 62°N - 28°N, 134°E - 115°W (Ref. 1371)

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

North Pacific: northern Japan to Okhotsk and Bering seas, south along North American coasts to northern Mexico.
北太平洋: 日本北方到鄂霍次克海與白令海, 向南延伸北美岸邊到墨西哥北部。

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm ?, range 46 - 65 cm
Max length : 104 cm TL 雄魚/尚未辨別雌雄; (Ref. 56527); common length : 46.9 cm TL 雄魚/尚未辨別雌雄; (Ref. 56476); 最大體重: 3.0 kg (Ref. 56476); 最大年齡: 73 年 (Ref. 35883)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 2; 背的軟條 (總數): 122; 臀棘 0; 臀鰭軟條: 94. Head large, scaled completely except for a narrow ventrolateral strip on snout; eyes also large; snout short, pointed and with tubercular scales along its leading edge; chin with a small chin barbel. Body tapering to a point posteriorly from behind the insertion of the first dorsal-fin spine. Scales adherent, with 3 to 5 divergent rows of coarse spinules. Pyloric caeca 12 to 14. Overall color is gray to grayish-brown in young, turning to dark brown in adults; fins generally dark. Branchiostegal rays: 6-6 (Ref. 36385).
頭部大的, 覆有鱗片的完全地在吻上除了狹窄的腹側長條; 眼也大的; 吻短的, 尖的而且與有小瘤的鱗片沿著它的前緣; 下巴具有一個小的下巴觸鬚。 身體在後部地從在後第一背鰭棘的嵌入漸漸變細成一個尖點。 鱗片追隨者,對 5 分歧的列粗糙的小刺有三個。 幽門盲囊 12 到 14. 整體的色彩是灰色到淺灰褐色當幼魚時, 旋轉到深褐色的當成魚時; 鰭通常深色的。 鰓條骨: 6-6.(參考文獻 36385)

生物學特性     字彙 (例如 epibenthic)

A benthopelagic mid-slope species, that appears to wander off slope bottoms into midwater (Ref. 1371). Adults feed on small fish, euphausiids, prawns, amphipods and cephalopods (Ref. 1371). Oviparous, with planktonic larvae (Ref. 36385).

大洋底棲性魚種中程斜坡的種, 那似乎遊蕩外海的斜坡底部進入中層水域.(參考文獻 1371) 成魚吃小魚,磷蝦,蝦,片腳類動物與頭足類動物。 (參考文獻 1371) 卵生的, 仔魚為浮游性.(參考文獻 36385)

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

Oviparous (Ref. 36385).北太平洋: 日本北方到鄂霍次克海與白令海, 向南延伸北美岸邊到墨西哥北部。

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. 120744)

  未評估 

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 2.3 - 3.8, mean 2.4 (based on 174 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00158 (0.00080 - 0.00313), b=3.20 (3.03 - 3.37), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
營養階層 (Ref. 69278):  3.8   ±0.54 se; Based on food items.
回復力 (Ref. 69278):  非常低的, 最小族群倍增時間超過14 年 (K=0.02-0.04; tmax=73).
瀕危性 (Ref. 59153):  Very high vulnerability (79 of 100) .
價格種類 (Ref. 80766):   Medium.