Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Lepisosteiformes Family: Lepisosteidae Genus: Lepisosteus Species: L. osseus. Specimen Description Lepisosteus osseus has a heterocercal tail, which is having a tail with two unequal lobes the upper lobe larger than the lower with the vertebral column extending into the upper lobe. Single...
Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Order: Torpediniformes Family: Torpedinidae Genus: Torpedo Species: T. marmorata Physical Description Torpedo marmorata is a small ray which reaches a maximum of 100cm total length, but is rarely found over 80cm (Bester, Unknown). The disc is thick, flabby and rounded with the leading...
Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Acipenseriformes Family: Acipenseridae Genus: Acipenser Species: A. ruthenus Specimen Description The tail of is Acipenser ruthenus is strong and rigid. The tail is bifurcated, that is it divides into two, having two fork like branches. The upper part is longer and having pointed end....
Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Syngnathiformes Family: Syngnathidae Specimen Description Pipefish have prehensile tail that are thin and long . Like the seahorse, the male pipefish also carries the eggs. In some species, the male has a pouch on the underside of his tail. For those without...
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...
