Mola tecta, Hoodwinker ocean sunfish

Mola tecta Nyegaard, Sawai, Gemmell, Gillum, Loneragan, Yamanoue & Stewart, 2017

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

Actinopteri > Tetraodontiformes (Puffers and filefishes) 魨形目 (Puffers and filefishes) > Molidae (Molas or Ocean Sunfishes) 翻車魨科 (Molas or Ocean Sunfishes)
Etymology: Mola: Latin, mola, -ae = stone mill; because of the shape of this fish (Ref. 45335);  tecta: Name from Latin 'tectus' meaning disguised or hidden, as this species evaded discovery for nearly three centuries.

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

; 海洋; 深度上下限 - m (Ref. ), usually - m (Ref. ).   

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

Widespread in the temperate waters of the Southern Hemisphere (with confirmed occurrence in the southeast of Australia (New South Wales, South Australia, Tasmania and Victoria), around New Zealand, off South Africa and Chilean waters) and with occasional, but presumably rare, occurrences in the Northern Hemisphere.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 242 cm TL 雄魚/尚未辨別雌雄; (Ref. 115933)

生物學特性     字彙 (例如 epibenthic)

This species likely exhibits a similar biology to the other Mola species whereby feeding takes place during deep dives. Stomach contents of three specimens consisted of salps (Thetys vagina and Pyrosoma sp.) and the remains of a nectonic siphonophore, and in one instance, a 3 × 5 mm Styrofoam ball. All dissected specimens were heavily infested with parasites, particularly in the intestines (cestodes) and in the liver (likely larval Trypanorhynch cestodes). Gonadal shape differs between the sexes; the ovary is singular and ball-shaped, the testis are paired, elongated and rod-like and do not appear to frill during maturation. Migrations and spawning grounds, eggs, larvae and pre-juveniles are unknown (Ref. 115933).

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


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

Nyegaard, M., E. Sawai, N. Gemmell, J. Gillum, N.R. Loneragan, Y. Yamanoue and A.L. Stewart, 2017. Hiding in broad daylight: molecular and morphological data reveal a new ocean sunfish species (Tetrodontiformes: Molidae) that has eluded recognition. Zool. J. of the Linn. Soc., 1-28. (Ref. 115933)

IUCN 瀕危狀態 (Ref. 124695)

  未評估 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

 





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網路資源

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6562   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02455 (0.01027 - 0.05865), b=3.02 (2.81 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.8   ±0.6 se; based on size and trophs of closest relatives
回復力
瀕危性 (Ref. 59153):  Very high vulnerability (83 of 100) .