All Fishes

Ninespine Stickleback

Pungitius pungitius

The stickleback gets its name from the short and long spines on the first dorsal fin, …

Northern Anchovy

Engraulis mordax

Anchovies are silvery fish that look like miniature herring. They have an overhanging snout and long …

Northern right whale dolphin

Lissodelphis borealis

Have a slender hydrodynamic body. The fat pad on the head is low and the bill …

Northern snakehead

Channa argu

The northern snakehead has an elongated, cylindrical body with a flattened, snake-like head, which gives the …

Northern stargazer

Astroscopus guttatus

The Latin name Astroscopus is translated from Greek as "star gazer" (astra — star, skopeo — …

Northern wobbegong

Orectolobus wardi

Northern Wobbegong have a flattened and broad head and body. The nostrils are framed by unbranched …

Northern wolffish

Anarhichas denticulatus

The body is elongated, but taller than other anarhichids, tapering to a tail stalk covered with …

Norway bullhead

Micrenophrys lilljeborgii

The skin of the Norway bullhead is smooth, without scales. It is similar in appearance to …

Norway pout

Trisopterus esmarkii

The body of the Norway pout is elongated, oval in shape, tapering to the caudal peduncle, …

Norway redfish

Sebastes viviparus

The body is large and covered with ctenoid scales. The head is large with numerous spines. …

Notchedfin threadfin bream

Nemipterus peronii

The body of the Notchedfin Threadfin has a standard length that is 3.1-4.1 times its depth, …

Nurse shark

Ginglymostoma cirratum

When viewed from above or from the side, the head of juvenile sharks is broadly arched, …

Nurseryfish

Kurtus gulliveri

The nurseryfish has an elongated body, tall anteriorly and laterally compressed. The posterior section is long …

Oblique-banded grouper

Epinephelus radiatus

Oblique-banded groupers are characterized by the following features: body depth in SL 2.6-3.0 times greater than …

Obtuse barracuda

Sphyraena obtusata

The body of the obtuse barracuda is elongated and subcylindrical, with small cycloid scales. The head …

Ocean surgeon

Acanthurus bahianus

Known for their oval bodies of uniform colouration (usually blue-grey to dark brown), pale to dark …

Oceanic two-wing flyingfish

Exocoetus obtusirostris

Externally, Exocoetus obtusirostris is similar to the tropical Exocoetus volitans, with which it shares much of …

Oceanic whitetip shark

Carcharhinus longimanus

The pectoral fins are considerably longer and wider than those of most other sharks and are …

Ocellaris clownfish

Amphiprion ocellaris

The body is stocky and oval in shape. It is compressed at the sides and has …

Ocellated eagle ray

Aetobatus ocellatus

Compared to A. narinari, A. ocellatus has a longer tail (mean total length 281 mm vs. …

Ocellated waspfish

Apistus carinatus

Body elongated, compressed at the sides, covered with scales. It differs from all genera of the …

Oman butterflyfish

Chaetodon dialeucos

Medium-sized fish with a very laterally compressed, high body, small terminal mouth, armed with small bristle-like …

One-lined pencilfish

Nannostomus unifasciatus

The name unifasciatus comes from the Latin words uni ("one") and fasciatus ("banded"), meaning "one-banded." The …

One-striped poison-fang blenny

Meiacanthus ditrema

Males have long hairs on the tips of their tails.