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Symbiida |
Symbiidae
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; distribuzione batimetrica 20 - 40 m (Ref. 19). Temperate
Northeast Atlantic.
Length at first maturity / Size / Peso / Age
Maturity: Lm ? range ? - ? cm Max length : 0.0 cm TL maschio/sesso non determinato; (Ref. 1173)
Acoelomate, bilaterally symmetrical and with differentiated cuticle marine metazoan. Compound cilia for filter feeding working as a downstream-collecting system.
Inhabits the mouth appendages of Norway lobsters (Nephrops norvegicus) with carapace lengths of greater than 3.5 mm. Commensal with lobster. Feeding stages alternating with brief, non-feeding, free-swimming stages. Sessile, solitary feeding stages with multiciliated cells in the gut, anus just behind a ciliated mouth ring, and internal budding with extensive regeneration of feeding apparatus (Ref. 376).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Brooding of asexual larva (Pandora larva), male and female. Females brooding chordoid larva with a mesodermal, ventral rod of plate-like muscle cells (chordoid structure) and a pair of protonephridia with multiciliated terminal.
Obst, M. and P. Funch. 2005. (Ref. 376)
IUCN Red List Status (Ref. 130435)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FIRMS (Stock assessments) | FishSource |
Strumenti
Informazioni ulteriori
Age/SizeAccrescimentoLength-weightLength-lengthMorfologiaLarveAbbondanza
Fonti Internet
Estimates based on models
Preferred temperature
(Ref.
115969): 5.4 - 10.7, mean 9.4 (based on 94 cells).
Vulnerability
Moderate to high vulnerability (50 of 100).
Price category
Unknown.
