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Allothunnus fallai Serventy, 1948

Slender tuna
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Allothunnus fallai   AquaMaps   Data sources: GBIF OBIS
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Image of Allothunnus fallai (Slender tuna)
Allothunnus fallai
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Namibia country information

Common names: Schlankthun, Slank tuna, Tuna
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Collected at Walvis Bay (Ref. 5313). Caught incidentally with longlines (Ref. 27121).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/wa.html
National Fisheries Authority: http://www.benefit.org.na/
Occurrences: Occurrences Point map
Main Ref: Collette, B.B. and C.E. Nauen, 1983
National Database:

Common names from other countries

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

Teleostei > Scombriformes (Mackerels) 鱸形目 (Mackerels) > Scombridae (Mackerels, tunas, bonitos) 鯖科 (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Allothunnus: Greek, allos = other + Greek, thynnos = tunna (Ref. 45335).

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

海洋; 海洋洄游的 (Ref. 51243); 深度上下限 0 - 20 m (Ref. 86942).   亞熱帶的; 10°S - 50°S, 180°W - 180°E (Ref. 168)

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

Southern Ocean: circumglobal. One individual taken in Los Angeles Harbor.
南極海: circumglobal。 一個個體採自了洛杉磯港灣。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 105 cm FL 雄魚/尚未辨別雌雄; (Ref. 5313); common length : 86.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 9684); 最大體重: 13.7 kg (Ref. 5313)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 15 - 18; 背的軟條 (總數): 12-13; 臀棘 0; 臀鰭軟條: 13 - 14; 脊椎骨: 40. Interpelvic process small and bifid. Body naked ventrally behind the long anterior corselet. Dorsal half of body to lateral line covered with scales. Swim bladder absent. The back is bluish, turning to deep purple or almost black on the head; the belly is white, without stripes or spots; the pectoral and pelvic fins purple, their inner sides black.
腹鰭間的突起小而兩裂的。 身體裸露的腹地在長的前面甲胄後面。 對側線的身體上半部覆蓋著鱗片了。 泳鰾不存在。 背部是藍色的, 變到深的紫色或幾乎黑色的在頭部上; 腹面是白色的, 沒有斑紋或斑點; 胸鰭與腹鰭紫色, 他們的內部側邊黑色。

生物學特性     字彙 (例如 epibenthic)

An occasionally schooling species which feeds mainly on krill (euphausiids), and also on squids and small fishes. Juveniles are found between 20 and 35°S at surface temperatures ranging from 19 to 24°C. Its flesh is paler than that of most true tunas and is very oily, but the cooked meat has fine eating qualities. Mainly marketed fresh.

主要捕食磷蝦 (磷蝦), 以及吃烏賊與小魚的一個偶然群游性種。 稚魚在表面的溫度範圍從 19 到 24個 ° C. 在 20 與 35個 °S 之間被發現 它的肉是大多數真實的鮪魚比那灰白而且非常多油, 但是被煮的肉有細的口感。 主要地在市場上銷售生鮮地了。

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

南極海: circumglobal。 一個個體採自了洛杉磯港灣。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Collette, Bruce B. | 合作者

Collette, B.B. and C.E. Nauen, 1983. FAO Species Catalogue. Vol. 2. Scombrids of the world. An annotated and illustrated catalogue of tunas, mackerels, bonitos and related species known to date. Rome: FAO. FAO Fish. Synop. 125(2):137 p. (Ref. 168)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 01 March 2022

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: 低經濟
FAO(漁業: 產生; publication : search) | FIRMS (Stock assessments) | FishSource | 周邊海洋

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俗名
同種異名
新陳代謝
捕食者
生態毒物學
繁殖
成熟度
產卵場
孕卵數

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Estimates based on models

Preferred temperature (Ref. 115969): 15.8 - 24.6, mean 18.4 (based on 182 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00464 - 0.01966), b=3.05 (2.88 - 3.22), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.7   ±0.1 se; based on diet studies.
回復力 (Ref. 120179):  中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (70 of 100).
價格種類 (Ref. 80766):   Very high.