The shortbelly catshark (''Apristurus breviventralis'') is a

shark Sharks are a group of elasmobranch cartilaginous fish characterized by a ribless endoskeleton, dermal denticles, five to seven gill slits on each side, and pectoral fins that are not fused to the head. Modern sharks are classified within the ...

of the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Pentanchidae, the deepwater catsharks. It is found in the

Gulf of Aden The Gulf of Aden (; ) is a deepwater gulf of the Indian Ocean between Yemen to the north, the Arabian Sea to the east, Djibouti to the west, and the Guardafui Channel, the Socotra Archipelago, Puntland in Somalia and Somaliland to the south. ...

Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or approximately 20% of the water area of Earth#Surface, Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia (continent), ...

. This

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

most closely resembles the western Atlantic species '' Apristurus canutus'', but is distinguishable in having greater nostril length than internarial width and longer claspers in adult males.Kawauchi, J., Weigmann, S. & Nakaya, K. (2014): ''Apristurus breviventralis'', a new species of deep-water catshark (Chondrichthyes: Carcharhiniformes: Scyliorhinidae) from the Gulf of Aden. ''Zootaxa, 3881 (1): 1–16.''

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Apristurus breviventralisKAWAUCHI, WEIGMANN & NAKAYA, 2014
shortbelly catshark Gulf of Aden Taxa named by Junro Kawauchi Taxa named by Simon Weigmann Taxa named by Kazuhiro Nakaya shortbelly catshark {{shark-stub