Idiosepius minimus is a species of bobtail squid native to the "coast of Africa" where it occurs in shallow, inshore waters. Specimens collected under the junior synonyms I. biserialis and I. macrocheir were described from Mozambique. Since the further collecting effort off Mozambique has seen additional specimens gained. As a result it has been inferred that this species has a relatively restricted distribution since Idiosepius has not been recorded elsewhere in Africa.
I. minimus grows to 15 mm in mantle length. Recent specimens were collected using handnetts over beds of the seagrasses Zostera and Cymodocea. The dwarf squids in the Idiosepiidae possess a glue gland on the dorsal surface of the body which they can use to adhere vegetation and other submerged objects. These small squid are typically predators of crustaceans, the females stick their eggs onto seaweed or seagrass blades and their llife cycle is thought to include a pelagic planktonic stage.
The validity of I. minimus has been questioned.
- Barratt, I.; Allcock, L. (2012). "Idiosepius minimus". The IUCN Red List of Threatened Species. 2012: e.T162585A922477. doi:10.2305/IUCN.UK.2012-1.RLTS.T162585A922477.en. Downloaded on 08 February 2018.
- Julian Finn (2016). "Idiosepius minimus (d'Orbigny [in Férussac & d'Orbigny], 1835)". World Register of Marine Species. Flanders Marine Institute. Retrieved 8 February 2018.
- Berry, S.S. 1932. Cephalopods of the genera Sepioloidea, Sepiadarium and Idiosepius. The Philippine Journal of Science 47(1): 39–55.
- Reid, A. 2005. Family Idiosepiidae. 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. 208–210.
- Current Classification of Recent Cephalopoda
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