South Africa country information

Common names: Spinetail mobula, Stekelstert-mobula
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Natal. Also Ref. 9911.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sf.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Heemstra, P.C., 1995
National Database:

Common names from other countries

Mante aiguillat, Japanese devilray, Spinetail devil ray, ... more

Классификация / Names народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa

Пластиножаберные (акулы и скаты) (sharks and rays) > Myliobatiformes (Stingrays) > Mobulidae (Devilrays)
Etymology: japanica: Named for Japan..
More on authors: Müller & Henle.

Issue
This species is considered as a junior synonym of Mobula mobular according to Last et al., 2016 (Ref. 114953) and White et al., 2017 (Ref. 115945:13). The species page will be removed,.

Environment: milieu / climate zone / depth range / distribution range экология

морской ассоциированный с рифами; пределы глубины 0 - 647 m (Ref. 106604), usually 0 - 200 m (Ref. 89423). Subtropical; 40°N - 30°S

распространение страны | регионы FAO | Ecosystems | места находок | Point map | интродукции | Faunafri

Indo-Pacific: off South Africa, the Arabian Sea eastward to the Hawaiian Islands and Polynesia. Eastern Pacific: on the continental coast. Eastern Atlantic: Côte d'Ivoire but may probably be more wide-ranging. This has to be critically compared with Mobula mobular of the Mediterranean Sea and nominally elsewhere in the North Atlantic.

Length at first maturity / Size / Вес / Возраст

Maturity: L_m 217.8, range 204 - ? cm
Max length : 310 cm WD самец/пол неопределен; (Ref. 50641); 240.0 cm WD (female); common length : 225 cm WD самец/пол неопределен; (Ref. 9256)

Краткое описание определительные ключи | морфология | морфометрия

Dark blue to black above, white below. Inner surface of cephalic fins silver grey with black tip, outer surface and side behind eye white (Ref. 11228). Shared characters between M. rancureli and Mobula japanica: teeth, placoid scales, and branchial filter morphologies, morphometrics, presence of tail spine, distinctive shape and coloration of dorsal fin, and general shape of body and coloration (Ref. 50641).

Found inshore, possibly in oceanic waters (Ref. 9911). Pelagic (Ref. 58302). Occurs singly or in groups (Ref. 9911). Feeds mainly on euphausiids (mainly Nictiphanes simplex), and to a lesser extent on copepods and crustacean larvae. May also feed on small fishes. Ovoviviparous (Ref. 50449). Acoustic tracks record the species to spend time above the thermocline at night to feed on krill (H. Dewar, pers.comm. 05/2000). Very common by-catch of the gillnet fisheries targeting skpjack tuna (Katsuwonus pelamis). Utilized for its gill filter plates (very high value), meat, cartilage and skin (Ref.58048).

Life cycle and mating behavior Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). With one in a litter (Ref. 12951). Size at birth 85-92 cm WD (Ref. 12951, Ref.58048).

Основная ссылка Upload your references | ссылки | координатор | соавторы

Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)

Статус Красного Списка МСОП (Ref. 130435)

Близок к исчезновению (NT) ; Date assessed: 31 January 2006

CITES (Ref. 128078)

Appendix II: International trade monitored

CMS (Ref. 116361)

Appendix I & II: Endangered migratory species conserved through agreements

Угроза для людей

Harmless

Использование человеком

рыболовство: коммерческий

FAO(Publication : search) | FishSource |

дополнительная информация

Trophic ecology
пищевые объекты
Diet compositions
Food consumptions
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хищники

Ecology
экология
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Population dynamics
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Max. ages / sizes
Length-weight rel.
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Life cycle
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Distribution
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Anatomy
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Otoliths

Physiology
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Swimming type
Swimming speeds
Visual pigment(s)
звуки, издаваемые рыбами
Diseases / Parasites
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Genetics
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Human related
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Ciguatera cases
Stamps, coins, misc.

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Estimates based on models

Preferred temperature (Ref. 115969): 17.5 - 29, mean 27.4 (based on 5840 cells).

Phylogenetic diversity index (Ref. 82804): 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).

Trophic level (Ref. 69278): 3.4 ±0.43 se; based on food items.

устойчивость к внешним воздействиям (Ref. 120179): очень низкий, минимальное время удвоения популяции более 14 лет (Fec=1).

Fishing Vulnerability (Ref. 59153): High vulnerability (58 of 100).

Категория цены (Ref. 80766): Medium.

Mobula japanica (Müller & Henle, 1841)