Diagnostic Description

provided by Fishbase
A plain eagleray with a short, rounded snout; disc with broadly angular corners, and upper or lower jaw usually with 7 rows of plate-like teeth (Ref. 5578). Brown or blackish dorsally, white ventrally (Ref. 5578). No caudal fin (Ref. 5578).
license
cc-by-nc
copyright
FishBase
Recorder
Cristina V. Garilao
original
visit source
partner site
Fishbase

Life Cycle

provided by Fishbase
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).
license
cc-by-nc
copyright
FishBase
Recorder
Susan M. Luna
original
visit source
partner site
Fishbase

Trophic Strategy

provided by Fishbase
Benthic crustaceans and molluscs are the main food items (Ref. 52801).
license
cc-by-nc
copyright
FishBase
Recorder
Susan M. Luna
original
visit source
partner site
Fishbase

Biology

provided by Fishbase
Found in shallow lagoons (Ref. 3965), bays and estuaries; also offshore down to at least 95 m (Ref. 5578). Often found in groups (Ref. 5578). Feeds on benthic crustaceans, mollusks and fish. Ovoviviparous (Ref. 50449). Gestation period of 6-8 months, the females give birth to 3-7 young (Ref. 35388). Caught by shore and ski-boat anglers, usually released after capture (Ref. 5578). Flesh is highly esteemed (Ref. 3965).
license
cc-by-nc
copyright
FishBase
Recorder
Susan M. Luna
original
visit source
partner site
Fishbase

Importance

provided by Fishbase
fisheries: minor commercial; gamefish: yes; price category: high; price reliability: reliable: based on ex-vessel price for this species
license
cc-by-nc
copyright
FishBase
Recorder
Susan M. Luna
original
visit source
partner site
Fishbase

Common eagle ray

provided by wikipedia EN

The common eagle ray (Myliobatis aquila) is a species of fish in the family Myliobatidae. It inhabits the eastern Atlantic Ocean (North Sea to South Africa), the Mediterranean Sea and the south-western Indian Ocean.[1]

Description

The common eagle ray reaches up to 183 cm (6.0 ft) in total length[2] and has a disc width up to 80 cm (2.6 ft).[3] It has a rhomboidal disc with a pair of large, triangular pectoral fins projecting on either side, and a single dorsal fin. The snout is rounded and the tail slender, with a large spine at its base but no tail fin. The dorsal surface is brown or black while the ventral surface is white.[2]

Distribution and habitat

This ray occurs in the eastern Atlantic Ocean from the United Kingdom southward to South Africa, including the North Sea and the Mediterranean Sea. It also occurs in the Indian Ocean, ranging from Kenya to South Africa. It occurs both close to the shore and further out, at depths down to about 800 m (2,600 ft), but much of its time is spent in very shallow water at less than 50 m (160 ft).[1]

Ecology

The species largely feeds on crustaceans and bivalve molluscs that it excavates from the seabed. Other items in its diet include polychaete worms, gastropod molluscs, sea pens and small fish. Instead of having pointed teeth, it has flattened hexagonal bars and plates arranged in a mosaic pattern on its jaws; with these, it crushes the shells of its prey.[4]

Reproduction is oviviviparous. A clutch of three to seven young develop inside the mother, receiving nourishment at first from their egg yolks, but later from fluids secreted by their mother into her uterus.[2]

Status

The taxonomic position of this fish is unclear as populations in the Mediterranean Sea may be a different species from those in the southeastern Atlantic. In the Gulf of Lion in the northwestern Mediterranean Sea, populations declined in the 1970s, and there and elsewhere in the Mediterranean, the fish is under threat from intensive fishing. Along the coast of West Africa it is also the subject of artisanal fishing activities but these are less intensive and populations may be steady. The International Union for Conservation of Nature to rate it as "critically endangered".[1]

References

  1. ^ a b c d Jabado, R.W., Chartrain, E., Cliff, G., Da Silva, C., Derrick, D., Dia, M., Diop, M., Doherty, P., Leurs, G.H.L., Metcalfe, K., Pacoureau, N., Porriños, G., Seidu, I., Soares, A., Tamo, A., VanderWright, W.J., Williams, A.B. & Winker, H. (2021). "Myliobatis aquila". IUCN Red List of Threatened Species. 2021: e.T161569A124508353. doi:10.2305/IUCN.UK.2021-1.RLTS.T161569A124508353.en.CS1 maint: multiple names: authors list (link)
  2. ^ a b c "Myliobatis aquila: Common eagle ray". FishBase. Retrieved 5 June 2016.
  3. ^ Muus, B., J. G. Nielsen, P. Dahlstrom and B. Nystrom (1999). Sea Fish. p. 76. ISBN 8790787005
  4. ^ Burton, Maurice; Burton, Robert (1969). International Wildlife Encyclopedia. Marshall Cavendish. pp. 729–731. ISBN 978-0-7614-7266-7.

 title=
license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN

Common eagle ray: Brief Summary

provided by wikipedia EN

The common eagle ray (Myliobatis aquila) is a species of fish in the family Myliobatidae. It inhabits the eastern Atlantic Ocean (North Sea to South Africa), the Mediterranean Sea and the south-western Indian Ocean.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN

Description

provided by World Register of Marine Species
Adults found in sandy shores while juveniles are seen offshore. Feeds on bottom-living crustaceans, molluscs and fishes. Ovoviviparous, gestation lasting about 6 months and 4-7 embryos are produced per female.
license
cc-by-4.0
copyright
WoRMS Editorial Board
bibliographic citation
Froese, R. & D. Pauly (Editors). (2021). FishBase. World Wide Web electronic publication. version (02/2021).
contributor
Edward Vanden Berghe [email]