IUCN threat status:

Data Deficient (DD)

Habitat

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Habitat and Ecology

Habitat and Ecology
Spongehead Catshark is only known from two specimens that were taken on insular slopes, on or near the bottom between 572 and 1,482 m depth. The holotype is a 51.4 cm total length (TL) gravid female caught off the Hawaiian Islands. The paratype, collected south of Sulawesi, is a 10.5 cm TL juvenile.

Apristurus species are small, deepwater sharks that live on or near the bottom on the upper continental slope. Reproduction is oviparous with one egg per oviduct and egg cases are usually thick-walled and about 5 to 6.8 cm long and 2.5 to 2.9 cm wide. The anterior end of the case has a long weak fibrous thread on each corner. The posterior end usually has two small processes, each with a long coiled tendril. As in shallow water scyliorhinids the coiled tendrils are probably used to attach the egg cases to hard substrates and/or biogenic structures as they are laid.

Systems
  • Marine

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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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