Amphibalanus improvisus

Amphibalanus improvisus   (Darwin, 1854)

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

Thecostraca | Balanomorpha | Balanidae

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

Sessile; depth range 0 - 15 m (Ref. 125214).  Temperate; 60°N - 51°S, 104°E - 54°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Pacific Ocean, Atlantic Ocean, Mediterranean, Black Sea and Eastern Indian Ocean.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm

Biology     Glossary (e.g. epibenthic)

Minimum depth from Ref. 7437. Estuarine, epibiotic, found on bay and nearshore (Ref. 111011). It is infaunal and epifaunal on eelgrass beds (Ref. 95819). A sessile suspension feeder (Ref. 95752). Known as a fouling species (Ref. 81749).

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

Members of the superorder Thoracica are mostly hermaphroditic. Broadcast spawners, fertilization occurs in the mantle cavity. Life cycle: Eggs hatch into planktonic nauplii and leave the mantle cavity. Afterwards, they undergo six naupliar instars succeded by nonfeeding cypris larva (settling stage) which later metamorphose into adults.

Main reference References | Coordinator | Collaborators

Pitombo, F.B. 2003 Phylogenetic analysis of the Balanidae (Cirripedia, Balanomorpha). Zoologica Scripta 33(3):261-276. (Ref. 3703)

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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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

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