Oenopota levidensis OENLIV-092694-SHIRON-003
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Breeder ID: OENLIV-092694-SHIRON-003
Date received: 9/26/94
Identification: Oenopota levidensis (?)
Geographic origin: NE Pacific
Taxonomy: (after I.C.Z.N.)
Species levidensis (?)
Duration male(yr): 2+
Size male (mm): 5 – 7
Duration female 1 (yr): 2+
Size female 1 (mm): 5 – 7
Broodstock notes: Collected in shallow water, Oregon biome, 3 – 10 meters below MLLW
Physical differences: Male has large penis on right side of mantle cavity
Adult diet: Live polychaetes Owenia fusiformis
Pre-spawning activity: Copulation 1 – 2 months prior to oviposition. Will spawn in clean glass containers. DO NOT wash with soap, DO NOT feed during oviposition.
Time spawning began: night, mid Dec – Feb
Area spawning occurred: vertical surface, 1 – 3 cm above bottom.
Frequency of spawning: for 1-3 nights, spawning females
Egg description: lenticular capsule 3 – 5 mm in may lay 1 -3 capsules per night diameter
Approximate quantity: 90 – 260
Size: 290 micrometers
Egg changes / development:
Incubation period: 20 – 70 days
Time hatching occurred: n/a
Size of hatching larvae: 1 mm
Newly hatched appearance: Newly hatched veligers are phototactic for a few days. Larvae develop demersally for up to 7 weeks prior to metamorphosis
Transfer / removal method: Left in container until hatched, then removed to rearing tank
Spawning tank size (liter): 25
Sides of tank covered? No
Lighting & photoperiod: ambient
Filtration: 25 ml beaker with fresh filtered seawater daily
Additives and dosages: Penicillin, 10 ml @ 0.1% to retard bacterial growth
Water temperature (F): 46-53
Fry development / changes: Typical neogastropod veliger, “butterfly” shaped velum with orange granules around edge.
First food offered: Duneliella, Isochrysis, and Phaesdactlum daily
Second food offered:
Development description: Typical gastropod development. See Shimek, R.L., 1986, International Journal of Reproductive Development, 10:313-334
Rearing tank size (liter) 500 (1 x 1 x.5 meters)
Sides of tank covered?
Lighting & photoperiod: ambient
Filtration: open system, 5 – 10 volume change per hour
Comments: (10/18/96) Detailed taxonomic information or physical description is not presently available.
Word origin: oen, -o, =us, (Greek), wine. pot, -a, -I, -o, (Greek), drink. The species name could have several different word root combinations: levi, (Latin), smooth, light. dens, (Latin), thick, a tooth, -ens, =e, =is, (Latin) belonging to. ensi, -s, (Latin), sword.
About this report: Information contained in this report is taken from submitted observations. Taxonomy, Synonomy, Original description , Word origin and Suggested reading are provided by member(s) of The Breeder’s Registry staff. Information is presented under the belief that it is accurate. If you have information in addition to, or contrary to that presented you are encouraged to contact the Breeder’s Registry. Permission is granted for “one-time” personal use. Reproduction as distributed or accessible media is prohibited without prior written permission. All rights reserved. 1994