The footballfish form a family, Himantolophidae, of globose, deep-sea anglerfishes found in tropical and subtropical waters of the Atlantic, Indian, and Pacific Ocean. The family contains about 22 species all in a single genus, Himantolophus (from the Greek imantos, 'thong, strap', and lophos, 'crest'). As in most other deep-sea anglerfish families, sexual dimorphism is extreme: the largest females may exceed lengths of 60 centimetres (24 inches) and are globose in shape, whereas males do not exceed 4 cm (1+1⁄2 in) as adults and are comparatively fusiform. Their flesh is gelatinous, but thickens in the larger females, which also possess a covering of 'bucklers' — round, bony plates each with a median spine — that are absent in males. Both are a reddish brown to black in life. (Source: Wikipedia.org, CC BY-SA)