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United States (contiguous states) country information
Common names:
[No common name]
Occurrence:
native
Salinity:
marine
Abundance:
|
Ref:
Importance:
|
Ref:
Aquaculture:
never/rarely
|
Ref:
Regulations:
no regulations
|
Ref:
Uses:
no uses
Comments:
Known from North Carolina, Florida, Alabama and Texas (Ref. 981). Also known in South Carolina to the northern Gulf of Mexico (Ref. 7866).
National Checklist:
Country Information:
https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority:
http://www.nmfs.gov
Occurrences:
OccurrencesPoint map
Main Ref:
Carrera-Parra, L.F., 2001
National Database:
Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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.