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Loxothylacus perarmatus   Reinhard & Reischman, 1958

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Loxothylacus perarmatus
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drawing shows typical fish in this Family.

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

Maxillopoda | Kentrogonida | Sacculinidae

Environment / Climate / Range Ecology

Host.  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Western Central Atlantic: Gulf of Mexico.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 1.2 cm BL male/unsexed; (Ref. 8241)

Biology     Glossary (e.g. epibenthic)

Parasitic, deep sea (Ref. 111011). Members of the order Kentrogonida are gonochoric. Life cycle: Nauplius larvae molt into cyprids. The female settles on a host and metamorphose into kentrogon larva, then into vermigon stage and lastly into an interna which lies into the host's cuticle. It then develops into an externa lying outside the host's abdomen. The male cypris larvae attaches to the female externa, the male then molts into a dwarf male (trichogon larva) and remains as a testis parasitic on the female. Fertilization occurs and the externa becomes the egg sac filled with fertilized eggs (Ref. 833).

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

Members of the order Kentrogonida are gonochoric. Life cycle: Nauplius larvae molt into cyprids. The female settles on a host and metamorphose into kentrogon larva, then into vermigon stage and lastly into an interna which lies into the host's cuticle. It then develops into an externa lying outside the host's abdomen. The male cypris larvae attaches to the female externa, the male then molts into a dwarf male (trichogon larva) and remains as a testis parasitic on the female. Fertilization occurs and the externa becomes the egg sac filled with fertilized eggs.

Main reference References | Coordinator | Collaborators

Reinhard, E.G. and P.G. Reischman. 1958. (Ref. 8241)

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

Vulnerability (Ref. 71543)
Low vulnerability (10 of 100)
Price category (Ref. 80766)
Unknown