Reproductive Data for Petaloconchus keenae
egg diameter | 0.217 mm |
reproductive season | continuous, irregular, mantle slit 12 months, summer low: 3) All months except January and June |
development | 1) indirect (hatch as veligers); hatching size 0.29x0.39mm 2) mixed (hatch as crawling juveniles or as veligers); 3) hatching size 660x450 um |
occurrence | subtidal fringing reef, northeastern side Coconut Island, Kaneohe Bay; Sampan Channel, Dredged Island |
references | 1) Hadfield et. al. 1972; 2) C. N. Hopper, in The Ecology and Reproductive Biology of Some Hawaiin Vermetid Gastropods, 1981; 3) J.B. Taylor in Planktonic Prosobranch Veligers of Kaneohe Bay, 1975; 3) J.B. Taylor in Planktonic Prosobranch Veligers of Kaneohe Bay, 1975 |
Phylogenetic Information
phylum | Mollusca |
class | Gastropoda (subclass Prosobranchia) |
order | Neotaenioglossa |
family | Vermetidae |
genus | Petaloconchus |
species | keenae |
reproduction method | shell brooding pattern |