? African tetra
Brycinus longipinnis
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Characiformes Family: Alestiidae
Genera
Alestes Arnoldichthys Brycinus Hemigrammopetersius Hydrocynus Phenacogrammus Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa {trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (flatworms, echinoderms, etc. ... Typical Classes Subphylum Urochordata - Tunicates Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Orders See text The Actinopterygii are the ray-finned fish. ... Families  Acestrorhynchidae  Anostomidae - Headstanders  Characidae - Characins and tetras  Citharinidae  Ctenoluciidae - Pike-characids  Curimatidae  Erythrinidae - Trahiras  Gasteropelecidae - Freshwater hatchetfishes  Hemiodontidae  Hepsetidae  Lebiasinidae The Characiformes are an order of ray-finned fish, comprising the characins and their allies. ...

African tetras (family Alestiidae) are a group of Characiformes fish exclusively found in Africa. Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ... Families  Acestrorhynchidae  Anostomidae - Headstanders  Characidae - Characins and tetras  Citharinidae  Ctenoluciidae - Pike-characids  Curimatidae  Erythrinidae - Trahiras  Gasteropelecidae - Freshwater hatchetfishes  Hemiodontidae  Hepsetidae  Lebiasinidae The Characiformes are an order of ray-finned fish, comprising the characins and their allies. ... Groups Conodonta Hyperoartia Petromyzontidae (lampreys) Pteraspidomorphi (early jawless fish) Thelodonti Anaspida Cephalaspidomorphi (early jawless fish) Galeaspida Pituriaspida Osteostraci Gnathostomata (jawed vertebrates) Placodermi Chondrichthyes (cartilaginous fish) Acanthodii Osteichthyes (bony fish) Actinopterygii (ray-finned fish) Sarcopterygii (lobe-finned fish) Actinistia (coelacanths) Dipnoi (lungfish) A fish is a poikilothermic (cold-blooded) water-dwelling... // Etymology World map showing Africa (geographically) The name Africa came into Western use through the Romans, who used the name Africa terra — land of the Afri (plural, or Afer singular) — for the northern part of the continent, as the province of Africa with its capital Carthage, corresponding to modern-day...