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Broadclub Cuttlefish

Sepia latimanus Quoy & Gaimard 1832

Sepia latimanus

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Sepia latimanus, also known as the broadclub cuttlefish, is widely distributed from the Andaman Sea, east to Fiji, and south to northern Australia. It is the most common cuttlefish species on coral reefs, living at a depth of up to 30 m.[3]

Description

The broadclub cuttlefish is the second largest cuttlefish species after Sepia apama, growing to 50 cm (20 in) in mantle length and 10 kg (22 lb) in weight.[4] Like many cephalopods, the broadclub can be seen displaying a range of colors and textures. Commonly they are light brown or yellowish with white mottled markings. Males are sometimes dark brown, particularly during courtship and mating. The arms have longitudinal white bands that appear as broad white blotches when extended. Some arms have longitudinal brown bands that extend to the head. The dorsal mantle can sometimes be seen with a saddle mark with small white and brown spots. The dorsal mantle also has narrow brown transverse bands, and bold, white, transverse stripes and spots. The eyes are yellow around the ventral margins and the fins are pale with white, transverse stripes extending onto mantle and narrow, white bands along outer margins.

Distribution

Sepia latimanus has a wide distribution in the Indo-Pacific region from the coasts of eastern Africa in the west following the continental coastline through southern Asia to southern Japan and as far south as northern Australia and the Coral Sea. Records from southern Australia and Madagascar are thought to be most likely misidentifications.[1]

Habitat and biology

Sepia latimanus is a coastal species occurring in coral reefs and which is found in shallow water to depths of 30 m. In the western Pacific, off Guam and off Okinawa in the shallows from January to May, and the resultant eggs hatch in 38 to 40 days. It is diurnal species which appears to mesmerise its prey by using a display consisting of a series of rhythmic colour bands running along its body. It preys on fishes and crustaceans[4] and it is known to prey on shrimp and prawns of the genus Palaemon.[5] Breeding males are territorial and defend a coral head, typically Porites, the females lay eggs following mating in the territory of the male. Their courtship is highly ritualized and stereotyped, and like their hunting behaviour it includes striking visual displays. The males frequently guard the females, defending them from other males. The male and female mate head-to-head, the male placing the spermatophores in the buccal membrane of the female below to the mouth. After laying the eggs harden and are very hard to remove from the coral on which the female laid them. After hatching the young cuttlefish start to hide among the coral and the associated coral rubble where they often mimic mangrove leaves, their coloration and posture impersonating the leaf structure with a stem, ribs and a scattering of black spots.[4]

Naming and taxonomy

The type specimen of Sepia latimus was collected in New Guinea and is deposited at the Muséum National d'Histoire Naturelle in Paris.[6] This species has a wide geographic range and it is probable that it represents a species complex rather than a single species but more taxonomic work needs to be carried out to assess its species limits.[1]

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Sepia latimanus colour change. These images were taken only seconds apart.

See also

References

  1. ^ a b c Barratt, I.; Allcock, L. (2012). "Sepia latimanus". IUCN Red List of Threatened Species. 2012: e.T162505A904969. doi:10.2305/IUCN.UK.2012-1.RLTS.T162505A904969.en. Retrieved 20 November 2021.
  2. ^ Julian Finn (2016). "Sepia latimanus Quoy & Gaimard, 1832". World Register of Marine Species. Flanders Marine Institute. Retrieved 19 February 2018.
  3. ^ Norman, M.D. 2000. Cephalopods: A World Guide. ConchBooks.
  4. ^ a b c Reid, A., P. Jereb, & C.F.E. Roper 2005. Family Sepiidae. In: P. Jereb & C.F.E. Roper, eds. Cephalopods of the world. An annotated and illustrated catalogue of species known to date. Volume 1. Chambered nautiluses and sepioids (Nautilidae, Sepiidae, Sepiolidae, Sepiadariidae, Idiosepiidae and Spirulidae). FAO Species Catalogue for Fishery Purposes. No. 4, Vol. 1. Rome, FAO. pp. 57–152.
  5. ^ Boletzky S.v. & R.T. Hanlon. 1983. A Review of the Laboratory Maintenance, Rearing and Culture of Cephalopod Molluscs. Memoirs of the National Museum of Victoria: Proceedings of the Workshop on the Biology and Resource Potential of Cephalopods, Melbourne, Australia, 9–13 March 1981, Roper, Clyde F.E., C.C. Lu &F.G. Hochberg, ed. 44: 147-187.
  6. ^ Current Classification of Recent Cephalopoda

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Sepia latimanus: Brief Summary

provided by wikipedia EN

Sepia latimanus, also known as the broadclub cuttlefish, is widely distributed from the Andaman Sea, east to Fiji, and south to northern Australia. It is the most common cuttlefish species on coral reefs, living at a depth of up to 30 m.

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Seiche à grandes mains

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La seiche à grandes mains (Sepia latimanus) est une espèce de mollusques céphalopodes de l'ordre des Sepiida des eaux tropicales du bassin Indo-Pacifique.

Cette grande seiche mesure de 45 à 50 cm. Elle vit dans les récifs coralliens où elle mange des crevettes.[1]

Galerie

Notes et références

  1. Collectif (trad. Michel Beauvais, Marcel Guedj, Salem Issad), Histoire naturelle [« The Natural History Book »], Flammarion, mars 2016, 650 p. (ISBN 978-2-0813-7859-9), Sepia latimanus page 309

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Seiche à grandes mains: Brief Summary

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La seiche à grandes mains (Sepia latimanus) est une espèce de mollusques céphalopodes de l'ordre des Sepiida des eaux tropicales du bassin Indo-Pacifique.

Cette grande seiche mesure de 45 à 50 cm. Elle vit dans les récifs coralliens où elle mange des crevettes.

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Description

provided by World Register of Marine Species
Tentacular clubs half-moon-shaped, their protective membranes fused at base, completely surrounding sucker-bearing surface; a deep cleft or groove between swimming keel and dorsal protective membrane nearly separates sucker-bearing area from stalk
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bibliographic citation
Roper, C.F.E., M.J. Sweeney & C.E. Nauen (1984). FAO Species catalogue. Vol 3. Cephalopods of the World. An annotated and illustrated catalogue of species of interest to fisheries. FAO Fish. Synop. (125), Vol 3: 277 p. van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).
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Edward Vanden Berghe [email]
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Edward Vanden Berghe [email]

Distribution

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Central Indo-Pacific to Japan
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bibliographic citation
Roper, C.F.E., M.J. Sweeney & C.E. Nauen (1984). FAO Species catalogue. Vol 3. Cephalopods of the World. An annotated and illustrated catalogue of species of interest to fisheries. FAO Fish. Synop. (125), Vol 3: 277 p. van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).
contributor
Jacob van der Land [email]
contributor
Jacob van der Land [email]

Habitat

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coastal
license
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copyright
WoRMS Editorial Board
bibliographic citation
Roper, C.F.E., M.J. Sweeney & C.E. Nauen (1984). FAO Species catalogue. Vol 3. Cephalopods of the World. An annotated and illustrated catalogue of species of interest to fisheries. FAO Fish. Synop. (125), Vol 3: 277 p. van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).
contributor
Jacob van der Land [email]
contributor
Jacob van der Land [email]