Disparate angelshark

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Disparate angelshark
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Subdivision: Selachimorpha
Order: Squatiniformes
Family: Squatinidae
Genus: Squatina
Species:
S. heteroptera
Binomial name
Squatina heteroptera

The disparate angelshark (Squatina heteroptera) is a species of angelshark found along the East Coast of the United States and the Gulf of Mexico.[1] It occurs at depths down to 1,290 m (4,230 ft) and reaches a length of 49 cm (19 in).[1] Heteroptera in its name refers to the difference in size, shape and area of the two dorsal fins.[2] Disparate angelsharks have the typical angel shark body form that is broadly flattened with large pectoral/pelvic fins and eyes and spiracles on the top of their heads. Their common and species name comes from them having dorsal fins of very different sizes, shapes, and areas compared to other angel sharks.[3]

Disparate angelsharks are usually dark brown on top (dorsal surface) without any thorns or eyespots (ocelli) though they do have two distinct round black spots on the upper edge of their pectoral fins and irregular, scattered whitish spots.[3]

References

Wikimedia Commons has media related to Squatina heteroptera.
  1. ^ a b c Baremore, I. (2019). "Squatina dumeril". IUCN Red List of Threatened Species. 2019: e.T197087A22515424. doi:10.2305/IUCN.UK.2019-1.RLTS.T197087A22515424.en. Retrieved 21 December 2020.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.) (2006). "Squatina heteroptera" in FishBase. April 2006 version.
  3. ^ a b "Disparate Angel Sharks ~ MarineBio Conservation Society". Retrieved 2019-10-18.
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