Reproductive Data for Serpulorbis variabilis
egg diameter | 1) 0.19 mm; 2) 190 um |
reproductive season | 1) continual, summer peak; 2) peak January, March, August |
development | 1) indirect (hatch as veligers); 48 capsules/female, 240 eggs/capsule, nurse eggs yolk form; 2) hatching size 290x390 um |
occurrence | 1) isolated basalt boulders e.g., Maile Point, Oahu; 2) Seaward portion of Kaneohe Bay |
references | 1) Hadfield et. al. 1972 in C. N. Hopper, in The Ecology and Reproductive Biology of Some Hawaiin Vermetid Gastropods, 1981; 2) J.B. Taylor in Planktonic Prosobranch Veligers of Kaneohe Bay, 1975 |
Phylogenetic Information
phylum | Mollusca |
class | Gastropoda (subclass Prosobranchia) |
order | Neotaenioglossa |
family | Vermetidae |
genus | Serpulorbis |
species | variabilis |
reproduction method | sexual |