Sicklefin chimaera
| Sicklefin chimaera | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Holocephali |
| Order: | Chimaeriformes |
| Family: | Rhinochimaeridae |
| Genus: | Neoharriotta |
| Species: | N. pinnata |
| Binomial name | |
| Neoharriotta pinnata (Schnakenbeck, 1931) | |
The sicklefin chimaera (Neoharriotta pinnata) is a species of fish in the family Rhinochimaeridae found near Angola, the Republic of the Congo, the Democratic Republic of the Congo, Gabon, Ghana, Guinea, Liberia, Mauritania, Namibia, Senegal, Sierra Leone, and Western Sahara. It is also reported from Gulf of Mannar,[2][3] India. Its natural habitat is open seas.
Description
Neoharriotta pinnata has a total length of approximately 13–23 centimetres (5.1–9.1 in) at birth and reach maturity at a total length of 105–127 centimetres (41–50 in). N pinnata has a long and narrow snout which is blunt at its edge. The spine of its first dorsal fin is taller than the fin itself. Its body is uniformly brown in colour. It has short, broad, and rounded pectoral fins.[4]
Distribution and habitat
Neoharriotta pinnata has been found to occur at depths of 0–4,513 metres (0–14,806 ft), but primarily between 150–750 metres (490–2,460 ft).[4]
Apart from its regular distribution, a single specimen has been found in the Bay of Biscay.[5] In 2018, it was reported in the waters of the Andaman and Nicobar Islands.[6]
Reproduction
The sicklefin chimaera is oviparous, and its egg cases are spindle-shaped and reach 25–30 centimetres (9.8–11.8 in) in length and 9–10 centimetres (3.5–3.9 in) in width.[4]
Conservation
The sicklefin chimaera is categorised globally on the IUCN Red List as near threatened due to local reductions in population across multiple countries due to fishing.[7]
References
- ↑ Finucci, B.; Kyne, P.M.; Ebert, D.A.; Khan, M.; Bineesh, K.K.; Akhilesh, K.V. (2020). "Neoharriotta pinnata". IUCN Red List of Threatened Species. 2020 e.T60142A124444054. doi:10.2305/IUCN.UK.2020-2.RLTS.T60142A124444054.en. Retrieved 16 November 2021.
- ↑ Arumugam, Murugan & Namboothri, Naveen. (2008). Finfishes of the Gulf of Mannar biosphere reserve. A field identification guide – 545 species with color photographs, Dakshin Foundation, Bangalore (ISBN No: 978-81-8465-309-0), 224pp.
- ↑ Joshi, K K., Sreeram, Miriam Paul., Zacharia, P U., Abdussamad, E., Varghese, Molly., Habeeb, O., Jayabalan, Komathi., Kanthan, P., Kannan, K., Sreekumar, K., George, Gimy., Shaji, Varsha. (2016). Check list of fishes of the Gulf of Mannar Ecosystem, Tamil Nadu, India. Journal of the Marine Biological Association of India. 58. 34-54. 10.6024/jmbai.2016.58.1.1895-05.
- 1 2 3 Ebert, David A.; Dando, Marc (2021). Field Guide to Sharks, Rays, and Chimaeras of Europe and the Mediterranean. Princeton, New Jersey: Princeton University Press. p. 351. ISBN 978-0-691-20598-4.
- ↑ Diez, G.; Mugerza, E. (2017). "The first record of the sicklefin chimaera Neoharriotta pinnata (Chimaeriformes: Rhinochimaeridae) in the southern Bay of Biscay (North-East Atlantic)". Journal of Ichthyology. 57 (5): 776–779.
- ↑ Ravi, R.M.; Venu, S.; Akhilesh, K.V; Bineesh, K.K. (2018). "First report of four deep-sea chondrichthyans (Elasmobranchii and Holocephali) from Andaman waters, India with an updated checklist from the region". Acta Ichthyologica et Piscatoria. 48 (3): 289–301.
- ↑ Finucci, B.; Kyne, P.M.; Ebert, D.A.; Khan, M.; Bineesh, K.K.; Akhilesh, K.V. (2020). "Neoharriotta pinnata, Sicklefin Chimaera". International Union for Conservation of Nature and Natural Resources.