The Marlin sucker is a small fish characterized by its elongated body and a distinctive dorsal fin modified into a suction disc. Typically reaching up to 12 inches and weighing around 2 pounds, it attaches to larger marine animals. Found in warm oceanic waters, it feeds on parasites and scraps from its host, exhibiting a commensal relationship. This summary is AI generated
Water type
IUCN Status
Threat to humans
Source: Fishbase
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Marlin sucker
14 in · 3 lb
Marlin sucker
5 in · 4 lb


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