Mobula alfredi, Alfred manta

Mobula alfredi (Krefft, 1868)

Alfred manta
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Mobula alfredi   AquaMaps   Data sources: GBIF OBIS
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Mobula alfredi
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分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

板鰓亜鋼(サメとエイ類) (sharks and rays) > Myliobatiformes (Stingrays) > Mobulidae (Devilrays)

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

; 海 底生の漂泳性; 深さの範囲 1 - 120 m (Ref. 86942).   Tropical; 32°N - 34°S, 30°E - 134°W

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Indo-West Pacific: Red Sea, South Africa, Thailand to Western Australia.; north to Japan (Yaeyama Is.), to Solitary Is., Australia as far east as French Polynesia and the Hawaiian Is. Reported in the Atlantic (Canary and Cape Verde islands) but this species may be restricted more or less to the Indian and Western Pacific only (McEachran, pers.comm. 03/10)..

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm ?, range 370 - 390 cm
Max length : 500 cm WD オス/雌雄の選別がない; (Ref. 82755); 最大記録サイズ: 31 年 (Ref. 97313)

簡単な記述 形態学 | 形態計測学

This species is characterized by the following: disc approximately 2.2-2.4 times as broad as it is long, the maximum disc width size approximately 550 cm; slender whip-like tail approximately 123% of disc length if intact; no distinct caudal spine or cartilaginous mass at base of tail; some specimens have small hump at the base of the tail on the dorsal surface, while others have a slight depression and groove on the dorsum of the tail immediately posterior to the posterior margin of the dorsal fin; small, knob-like dermal denticles evenly distributed on both the dorsal and ventral surfaces, with ventral surface having slightly larger denticles; dental ligament with small cusped teeth on the lower jaw measuring roughly 22% of total disc length, approximately 6-8 rows, 142-182 files across entire width of the tooth band; total tooth counts of 900-1500 for entire tooth band; top jaw lacks rows of enlarged denticles (Ref. 82755).

生物学     用語集 (例 epibenthic)

Adults are commonly sighted inshore, within a few kilometers of land; found around coral and rocky reefs as well as along productive coastlines with consistent upwelling, tropical island groups, atolls and bays (Ref. 82755). Maximum movement recorded is >500,000 m (Ref. 97317). Known aggregations include sites in Hawai'i, Mozambique, Maldives, Ryukyu Island, Yap Island, Indonesia, eastern and western Australia (Ref. 82755). Gestation period 12-13 months and feeds mainly on planktonic organisms and probably small bony fishes (Ref. 114953).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

Young may tend to follow large objects such as their mother (Ref. 205).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Last, P.R., W.T. White, M.R. de Carvalho, B. Séret, M.F.W. Stehmann and G.J.P. Naylor, 2016. Rays of the world. CSIRO Publishing, Comstock Publishing Associates. i-ix + 1-790. (Ref. 114953)

IUCNのレッドリストの状況は (Ref. 123251)

  攻撃されやすい (VU) (A2bcd+3d); Date assessed: 09 November 2018

CITES (Ref. 123416)


人間に対する脅威

  Harmless





Human uses

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共通名の
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捕食動物
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成熟
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形態学
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シガテラ(食中毒の名前)
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Estimates based on models

Preferred temperature (Ref. 115969): 24.3 - 29, mean 27.8 °C (based on 1274 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5005   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.6   ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  非常に低い, 14年以上の倍増期間の最小個体群 (tmax>31; tm = 3-8; Fec =1).
弱み (Ref. 59153):  Very high vulnerability (84 of 100) .
Nutrients (Ref. 124155):  Calcium = 12.1 [0.9, 74.7] mg/100g ; Iron = 0.445 [0.083, 1.875] mg/100g ; Protein = 19.8 [17.3, 22.3] % ; Omega3 = 0.109 [0.037, 0.340] g/100g ; Selenium = 72.5 [16.1, 301.7] μg/100g ; VitaminA = 8.7 [1.8, 46.6] μg/100g ; Zinc = 0.516 [0.125, 1.871] mg/100g (wet weight);