Leptocardii |
Not assigned |
Branchiostomidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 1 - 43 m (Ref. 124788). Subtropical
Indo-West Pacific: East Africa (Ref. 1492). Climate: tropical to temperate.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 5.5 cm TL hane/ej könsbestämd; (Ref. 1478)
Found in medium coarse brown sand with shell fragments and very small proportion of mud to very fine sand with large proportion of mud (Ref. 1482). Occurs in the intertidal zone (Ref. 1478). Found in shallow waters, on sediments containing high percentage of sand and granule, with low moisture and organic matter content (Ref. 124788).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Members of the class Cephalochordata are gonochoric. Life cycle: Eggs develop into planktotrophic larva and later on to benthic adults.
Stokes, M.D. and N.D. Holland 1996 Reproduction of the Florida lancelet (Branchiostoma floridae): spawning patterns and fluctuations in gonad indexes and nutritional reserves. Invertebrate Biology 115(4):349-359. (Ref. 1437)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Verktyg
Ytterligare information
Trophic EcologyFood items (preys)
Födosammansättning
Födointag
Predatorer
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 22 - 29.3, mean 28.5 (based on 2139 cells).
Fishing Vulnerability
Low vulnerability (21 of 100).
Price category
Unknown.