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Related FAQs: Roundheads, Marine Bettas,

Related Articles:  Marine Betta,

/The Conscientious Marine Aquarist

The Roundheads: (for petfish types mainly Assessors), Family Plesiopidae

Bob Fenner

Paraplesiops poweri

Family Plesiopidae:

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.

Bigger PIX:
The images in this table are linked to large (desktop size) copies. Click on "framed" images to go to the larger size.

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


Bigger PIX:
The images in this table are linked to large (desktop size) copies. Click on "framed" images to go to the larger size.

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.


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