The fish has a pointed snout with protuberant lips encircling a small mouth. The head is broad with a pointed snout, small nostrils and protuberant eyes. Its head is round with a pointed, elevated snout and slightly protuberant nostrils. The snout is broadly rounded and the eyes are protuberant. It has a laterally compressed head and a protuberant belly. The prosoma is very long, with anterolateral compound eyes that are prominent, protuberant and elliptical. The septa are toothed and protuberant, usually with uneven or pointed tips. These distinctive, large, protuberant upper incisors give the gopher a buck-toothed appearance. These patients have low-set, often protuberant, ears, flared nostrils, thickened lips, and severe growth retardation. The head is small, the mouth has a protuberant lower jaw and sharp, pointed teeth. Distinctive are the protuberant lips, well defined curls and large nose. Subsequent generations of basidia have shorter and less protuberant bodies. As spawning season approaches the fish acquire a humpback and protuberant jaw. Gelastocoridae are short ( long) and stout, with large protuberant eyes and cryptic coloration. The eyes are small and moderately protuberant.