Heterokrohnia alvinae   Casanova, 1992

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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Sagittoidea | Phragmophora | Eukrohniidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Bathypelagic; depth range 1300 - 1300 m (Ref. 3682).  Subtropical; 35°N - 31°N, 120°W - 117°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Northeast Pacific.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 0.8 cm BL male/unsexed; (Ref. 3682)

Biology     Glossary (e.g. epibenthic)

Depth based on type locality (Ref. 3682); to be replaced with a better reference.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Members of the phylum Chaetognatha are hermaphroditic. Mating behavior: A preliminary visual signaling behavior for species recognition is observed to prevent predation. Life cycle: Eggs directly develop into miniature adults (hatchlings).

Main reference References | Coordinator | Collaborators

Pierrot-Bultz, A. 2004. (Ref. 3682)

IUCN Red List Status (Ref. 130435: Version 2024-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses


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References

Internet sources

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, Search) | Zoological Record

Estimates based on models

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

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