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Appellöf, 1898[1] Idiosepiidae, also known as the pygmy squids, is a family of squids in the superorder Decapodiformes. [2][3] They are the smallest known squids. [3] It is the only family in the monotypic order Idiosepida[4] and the monotypic superfamily Idiosepioidea. [5] Phylogenomic analyses have shown that species in the family ...
- Feeding and Diet
- Breeding Behaviours
- References
X. notoidesambushes many of the small crustaceans that share their habitat, by using the glue gland on their body to hide under seagrass leaves. These squid rapidly approach shrimp from behind, and bite through the nerve cord to immobilise them.
Pygmy Squids mate by the male adhering spermatophores to the female typically below the mouth, but also on the head, arms and body. Females use this sperm to fertilise round eggs which are glued singly or in clumps on the underside of seagrass.
Jereb, P., & C.F.E Roper (eds) (2005) Cephalopods of the World: Chambered Nautiluses and Sepioids, Food & Agriculture Organization of the United Nations Catalogue for Fishery Purposes, Rome, No. 4,...Norman, M., (2000) Cephalopods- A World Guide, ConchBooks, Germany (Hackenheim)Norman, M & A. Reid., (2000) A Guide to Squid, Cuttlefish and Octopuses of Australasia, CSIRO Publishing, Victoria (Collingwood)Xipholeptos. Xipholeptos notoides, commonly known as the southern pygmy squid, is the sole species in the cephalopod genus Xipholeptos. The species was originally classified as Idiosepius notoides. The southern pygmy squid is native to the southwestern Pacific Ocean, off southern and eastern Australia. It inhabits shallow, inshore waters.
Idiosepius pygmaeus, also known as the two-toned pygmy squid, Tropical Pygmy squid, is a species of bobtail squid native to the Indo-Pacific. It occurs in waters of the South China Sea, Japan, Philippines, Palau, Indonesia, Northern Mariana Islands, as well as northern and northeastern Australia. It inhabits shallow, inshore waters.
The Japanese pygmy squid attacks very fast, and captures the prey with tentacles grabbing at the junction between the crustacean's shell and its first abdominal segment pulling the crustacean into its arm crown. Idiosepius paradoxus will attack prey up to twice its size. The pygmy squid paralyzes shrimp within one minute, using a cephalotoxin.
Nov 12, 2020 · White Spotted Pufferfish – Facts and Photographs. Pygmy squid are technically not squid although they closely resemble them. Instead they fall in the genus Idiosepius. Very little is known of their habits and these found in Tanzania among and alongside the grass beds in the shallows are probably undescribed.
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Sep 18, 2024 · The smallest squid is the Southern pygmy squid (Idiosepius notoides); males grow only to about 1.6 cm (less than 3 / 4 inch) in length. The largest squids— giant squids and colossal squids—are also the largest living invertebrates.
