Author Archives: JimS

18-gallon Opaeula Tank – Video 8 April 2019

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Moved 10-gallon Opaeula Colony into the 18-Gallon

Downsizing my opaeula hobby to 2 tanks: 18-gallon & 1.5-gallon. Keeping the 2 that require the least amount of maintenance. The 18 seems crowded, but the opae seem to be fine. I’ve seen a couple of berried females, although they … Continue reading

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DIY UGF for 1-Gallon Tank

This DIY UGF is slightly different from the one I posted in February 2016.

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Opae’ula Breeding at Record Pace in the 10-Gallon

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Opae’ula Post-Larval Stage

The opae’ula pre-adult development cycle lasts approximately 11.5 weeks. The brooding period is 38 days. The larval stage involves two substages: zoea (17 days) and megalopa (11 days). The final stage before adulthood is juvenile (14 days). Adults are theoretically … Continue reading

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Opae’ula Juveniles – Growing Population

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Third Batch of Zoeae – Baby Opae’ula

Last updated 2/19/18 Update 2/19/18: Correction: The zoeae are probably from the same batch reported on Jan. 29.

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