surface (similar to a snorkel). Air is fed via the tracheal system and spiracles on the dorsum of the first abdominal segment to an air store under the...

not so that binocular vision is extensive. Behind the eyes are large spiracles, positioned on the upper surface of the head. The mouth is short, forming...

irregular darker and lighter markings. The underside is pale, as are the spiracle papillae. This species grows to a length of 70 cm (28 in), or possibly...

Distinctive characteristics include its uniform dark color, smooth-rimmed spiracles (paired respiratory openings behind the eyes), and two dorsal fins of...

be identified by the long, finger-like projections on the rims of its spiracles, as well as by its dark brown mottled color pattern, though some individuals...

meaning "bed". His account was published in the first volume of the folio Poissons du Nil, de la mer Rouge et de la Méditerranée. Subsequent authors moved...

large soft-tissue opercular flap. A spiracular chamber is present, but the spiracle is closed and never opens during development. Also unique to extant coelacanths...

the snout. The eyes are medium-sized and followed by somewhat larger spiracles. There is a curtain of skin between the nares, with a fringed, subtly...

snout. The large, protruding eyes are immediately followed by the broad spiracles. There is a narrow flap of skin between the nares with a fringed posterior...

protrudes somewhat from the disc. The eyes are immediately followed by the spiracles, which are of approximately equal size. There is a flap of skin between...

as the disc is wide. The eyes are minute and followed by much larger spiracles. There is a flap of skin between the nares, with a finely fringed posterior...

with small eyes positioned dorsally and followed by a pair of larger spiracles. A pair of unadorned barbels occurs in front of the nares, as well as...

bases. The five pairs of gill slits are tiny, comparable in size to the spiracles. Both dorsal fins bear stout, grooved spines at the front, with the second...

(protective third eyelids). There is a slight ridge below each eye, and a minute spiracle behind. The large mouth is wide and curved, with rather long furrows around...