Kodama jujutsu, Hannan's pygmy squid
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Kodama jujutsu   Reid, Sato, Jolly & Strugnell, 2023

Hannan's pygmy squid
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drawing shows typical species in Idiosepiidae.

Classification / Names Populärnamn | synonymer | CoL | ITIS | WoRMS

Cephalopoda | Sepiolida | Idiosepiidae

Environment: milieu / climate zone / djupintervall / distribution range Ekologi

Bottenlevande; djupintervall 1 - 20 m (Ref. 129526).  Subtropical; 20°C - 27°C (Ref. 129526)

Distribution Länder | FAO områden | Ekosystem | Förekomster | Utplanteringar

Northwest Pacific: Japan.

Length at first maturity / Size / Weight / Age

Könsmognad: Lm ?  range ? - ? cm Max length : 0.6 cm ML hane/ej könsbestämd; (Ref. 129526); 1.29 cm ML (female)

Biologi     Ordlista (t.ex. epibenthic)

This small squid is found around coral reefs, often in open water near reef cuts or in shallow seagrass beds. It was observed that this species habitually attach itself to the underside of various hydroids or any underwater substrate. It is seen hunting and foraging after sunset. It preys on small shrimp by grappling with its small arms. The species attack the dorsal side of prey to immobilise it within seconds, then swim or attach to substrate while consuming prey. The males approach females from below when mating (Ref. 129526). Found around coral reefs, often in open water near reef cuts or in shallow seagrass beds. It was observed that this species attach itself to the underside of coral, on hydroid that is being consumed by the nudibranch Bornella anguilla or any underwater substrate. It is seen hunting and foraging at night. Its prey includes small shrimp with bodies smaller or similar in size. Found in water with temperatures between 20 and 27°C (Ref. 129526).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae

Main reference referenser | Koordinator | Medarbetare

Reid, A., N. Sato, J. Jolly and J. Strugnell 2023 Two new pygmy squids, Idiosepius kijimuna n. sp. and Kodama jujutsu n. gen., n. sp. (Cephalopoda: Idiosepiidae) from the Ryukyu Islands, Japan. Mar. Biol. 170:167. (Ref. 129526)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses


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Ytterligare information

Trophic Ecology
Food items (preys)
Födosammansättning
Födointag
Predatorer
Ekologi
Ekologi
Population dynamics
Tillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
Life cycle
Reproduktion
Könsmognad
Fecundity
Lek
Eggs
Egg development
Larvae
Distribution
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
Physiology
Syreförbrukning
Human Related
Stamps, coins, misc.
Outreach
Medarbetare
Taxonomy
Populärnamn
synonymer
Morfologi
Bilder
referenser
referenser

Internet-källor

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, sök) | Zoological Record

Estimates based on models

Fishing Vulnerability (Ref. 71543): Low vulnerability (10 of 100).

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