The basslets are a small family Grammatidae of fish in the perch-like order Perciformes. The nine members (in two genera) are all small fish of the western Atlantic, typically no more than 10 cm in length. Several species are colorful and popular for marine aquaria. 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 - Tunicatas 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 many, see text The Perciformes, also called the Percomorphi or Acanthopteri, include about 40% of all fish and are the largest order of vertebrates. ... Families many, see text The Perciformes, also called the Percomorphi or Acanthopteri, include about 40% of all fish and are the largest order of vertebrates. ... A Marine aquarium is an aquarium that keeps marine plants and animals in a contained environment. ...
Distinctive features include a lateral line divided into two subsegments or missing entirely, and a sizeable pectoral fin with one spine. In fish, the lateral line is a sense organ used to detect movement in the surrounding water. ... Fish anatomy is primarily governed by the physical characteristics of water, which is much denser than air, holds a relatively small amount of dissolved oxygen, and absorbs light more than does air. ...
A number of other species may be called "basslets", in particular members of Serranidae, where they may be called "fairy basslets". Subfamilies Anthiinae Epinephelinae - Groupers Grammistinae The Serranidae or serranids are a family of fish, belonging to the order Perciformes. ...
References
"Grammatidae". FishBase. Ed. Ranier Froese and Daniel Pauly. November 2005 version. N.p.: FishBase, 2005.
The family Grammatidae, also commonly known as Grammas, is the third Basslet family I've discussed in this column.
To compound this confusion further, there are actually four distinct families that are referred to as Basslets: Plesiopidae, Pseudochromidae, Grammatidae, and Serranidae.
Grammas have an interrupted or absent lateral line, one spine and five soft rays on the pelvic fins, and eleven to thirteen spines on the dorsal fin (Fish Base).
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