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Ionella agassizi   Bonnier, 1900

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Ionella agassizi
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drawing shows typical fish in this Family.

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

Malacostraca | Isopoda | Bopyridae

Environment / Climate / Range Ecology

Benthic; depth range 0 - 10 m (Ref. 87801).  Temperate

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Southeast Pacific: Probably endemic to Chile.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm

Short description Morphology

Females are 0.8 to 1 cm in length and 1.1 to 1.5 cm in width. In both live and preserved specimens, they are whitish-yellowish in color and have tiny dark visible eyes. Its antennae is absent or strongly reduced and the pereopods are small. Oostegites large flaps forming completely enclosed marsupium, which contains thousands of embryos. Males on the other hand are 0.3 to 0.5 in length. They are whitish in color and have visibly small elongated eyes. Pereon segments with small pereopods. Pleotelson is very small, that looks like an inflated tubercle.

Biology     Glossary (e.g. epibenthic)

It is parasitic on ghost shrimp Neotrypaea uncinata found on sand flats, where it inhabits the branchial chamber (Ref. 87801). Members of the order Isopoda are mostly gonochoric. Mating behavior: Mating usually occurs before and sometimes during the parturial molt. Sperm transfer is indirect. Life cycle: Eggs are brooded in the marsupium, which later hatch into manca postlarva before developing into adults (Ref. 833).

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

Members of the order Isopoda are mostly gonochoric. Mating behavior: Mating usually occurs before and sometimes during the parturial molt. Sperm transfer is indirect. Life cycle: Eggs are brooded in the marsupium, which later hatch into manca postlarva before developing into adults.

Main reference References | Coordinator | Collaborators

Häussermann, V. and G. Försterra. 2009. (Ref. 87801)

IUCN Red List Status (Ref. 115185)

CITES status (Ref. 108899)

Not Evaluated

Threat to humans

Human uses


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More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimates of some properties based on models

Price category (Ref. 80766)
Unknown