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Related FAQs: Roundheads,Marine Bettas,

Related Articles: Marine Betta,

/The Conscientious Marine Aquarist

The Roundheads, Comets, Marine Bettas, Assessors, Family Plesiopsidae

By Bob Fenner

Paraplesiops poweri

Family Plesiopsidae:

Assessor flavissimus Allen & Kuiter 1976, the Yellow Devilfish. Great Barrier Reef (Australia) endemic. To a little over two inches in length. 

Assessor macneilli Whitley 1935, the Blue Devilfish. Found on Australia's GBR and New Caledonia. To two and a quarter inches in length. One photographed off Heron Island, Qld, another in an aquarium.

Calloplesiops altivelis Steindachner 1903, the Comet or Marine Betta. Indo-Pacific, including the Red Sea. To a bit over six inches. A shy species that requires a dark cave and peaceful tankmates to thrive. Aquarium image. Oh, is this fish a Batesian mimic of the Moray Eel, Gymnothorax meleagris? Some think the head of the moray and the tail of the Comet are similar... http://fishbase.org/Summary/SpeciesSummary.php?id=12655

Paraplesiops poweri Ogilby 1908. Southwest Pacific. Occasionally imported out of Australia. To six inches in length. This one at a Los Angeles wholesaler. 

Bibliography/Further Reading:

Baez, Jacqueline. 1998. Breeding the Marine Comet: A challenge for the best. SeaScope v. 15, Summer 98.

Hunziker, Ray. 1987. Majestic marines: Calloplesiops altivelis and C. argus. TFH 12/87.

Lapira, Noel E. 1973. This is the Comet. TFH 1/73.

Michael, Scott W. 1991. A guide to the Comets (genus Calloplesiops). SeaScope v.8, Spring 91.

Michael, Scott W. 1996. Roundheads- dwellers of coral caverns. AFM 4/96.

Wassink, Herman. 1990. A successful cultivation of the Comet, Calloplesiops altivelis (Steindachner 1903). SeaScope v.7, Spring 90.

 
 

 

 


 

 

 

 

 

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