Bobmarleya gadensis   Hilário & Cunha, 2008

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

Polychaeta | Sabellida | Siboglinidae

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

Sessile; depth range 2000 - 2200 m (Ref. 80977).  Subtropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Eastern Central Atlantic: Carlos Ribeiro mud volcano.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm

Short description Morphology

More than 30 free tentacles packed in a regular arrangement at their base, with pinnules. Pale and thin bridle keels. Small cephalic lobe with an irregular tip. Two rows of plaqueless metameric papillae separated by a furrow. Two girdles lying on well-developed ridges, with the two halves of both girdles being separated dorsally by a relatively large group of papillae. The tube is soft and ringed; semi-transparent at the anterior end, brown with darker rings in the middle and white/greyish in the posterior end.

Biology     Glossary (e.g. epibenthic)

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

Members of the class Polychaeta are mostly gonochoric (sexual). Mating: Females produce a pheromone attracting and signalling the males to shed sperm which in turn stimulates females to shed eggs, this behavior is known as swarming. Gametes are spawned through the metanephridia or body wall rupturing (termed as "epitoky", wherein a pelagic, reproductive individual, "epitoke", is formed from a benthic, nonreproductive individual, "atoke"). After fertilization, most eggs become planktonic; although some are retained in the worm tubes or burrowed in jelly masses attached to the tubes (egg brooders). Life Cycle: Eggs develop into trocophore larva, which later metamorph into juvenile stage (body lengthened), and later develop into adults.

Main reference References | Coordinator | Collaborators

Hilário, A. and M.R. Cunha. 2008. (Ref. 80977)

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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