Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Order: Squaliformes Family: Squalidae Genus: Squalus Species: S. acanthias Specimen Description Piked dogfish has a “Heterocercal tail”, that is having the upper lobe larger than the lower with the vertebral column extending into the upper lobe. It’s tail swings from side to side,...
Kingdom: Animalia Phylum: Chordata Class: Hyperoartia Order: Petromyzontiformes Family: Petromyzontidae Genus: Petromyzon Specimen Description The caudal fin of the petromyzon is well developed and present at the tail which is continuous with the posterior dorsal fin and the caudal fin is supported by a thin cartilaginous fin-ray. The caudal...
Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Subclass: Holocephali Specimen Description The living holocephalans include three families in the order Chimaeriformes. An erectile first dorsal fin with a spine and a long, low spineless second dorsal Chimaeras protect themselves from such threat by having the large toxic spine located just in...
Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Superclass: Cyclostomata Specimen Description It a have slender eel-like body measuring from 45 cm to 1 m in length. It process two dorsal fins the first one is the anterior dorsal fin, which is the smallest and the second one is the posterior...
Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Subclass: Elasmobranchii Order: Squaliformes Family: Squalidae Genus: Squalus Species: S. acanthias Specimen Description The spiny dogfish has a double dorsal fin. The anterior dorsal fin is larger than the posterior dorsal fin. The spiny dogfish has the presence two spines, one immediately in front of each...
Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Infraclass: Euselachii Superorder: Selachimorpha Specimen Description Depending on the species, there may be either one or two dorsal fins. The first dorsal fin is the most prominent as it is situated on the top of the animal, behind the head. This is frequently...
Kingdom: Animalia Class: Chondrichthyes Order: Rajiformes Family: Rajidae Genus: Dipturus Species: D. batis Physical Description The Common Skate has a long and pointed snout giving the disc a broadly rhombic shape with the front margins distinctly concave. The dorsal surface of the disc is olive-grey or brown with a...
Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Perciformes Family: Scatophagidae Genus: Scatophagus Species: S. argus Physical Description The Spotted Scat Scatophagus argus is an extremely attractive fish. Adults are silvery or greenish with dark blotches and markings. Small juveniles have alternating dark and whitish to yellowish bars and often reddish-orange patches...
Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Scorpaeniformes Family: Cyclopteridae Genus: Cyclopterus Species: C. lumpus Physical Description The body of lumbsuckers are compressed, deep anteriorly. Head relatively small, less than 5 in standard length. Gill openings large, extending below level of upper pectoral fin ray. First dorsal fin present but...
Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Polypteriformes Family: Polypteridae Genus: Polypterus Species: P. senegalus Physical Description They have long and slender in form, they are noted for a bunch of primitive features. Their scales are hard and shiny and are different from other fish by their rhomboid shape....
