Morphometric and meristic characters of fish ppt. 0 mm; (3) oil globules-presence or-absence.

Morphometric and meristic characters of fish ppt Mar 14, 2016 · Characters most useful in identification of fish eggs are the following: (1) egg shape-spherical, ellipsoidal, irregular, or oth- erwise; (2) egg size-fish eggs range in size from 0. Morphometrics examines the size and shape using a measurable trait, such as standard length or wet weight, which can be gauged as a length, mass, angle or ratio of other measurements. The 20 specimens of each fish were collected in different localities of Song river and twenty four morphometric measurements and eight meristic count parameter for each species. Meristic traits involve counting scales, fins, spines, and soft rays. • Use these characters in fish identification and classification. • Differentiate between the two. Morphometric traits involve measuring features like standard length, head length, and fin lengths relative to standard length. The five fishes were Rasbora daniconius, Devario devario, Nemacheilus botia, Pethia conchonius and Channa gachua. Apr 16, 2025 · Objectives: • By the end of this lecture, students will be able to: • Understand the concept of morphometric and meristic characters. Morphometric and meristic characters of freshwater fishes used for classification and identification The term, morphometry denotes the measurement of the structures and parts of organisms. Mar 19, 2009 · These characters are most commonly divided in to two categories: morphometric and meristic. Oct 17, 2014 · A meristic is a countable trait, such as number of gill rakers or number of dorsal fin spines. o Morphometic characters refer to measureable structures such as fin length, head length, eye diameter, or ratios between such measurements. 5 to 26. • Accurately measure morphometric characters and count meristic traits. o Meristic characters include almost any countable structure, including fin rays, scales, gill rakers, and so on Nov 7, 2016 · To identify fish species, measurements, counts of anatomical features, and color patterns are used. 0 mm; (3) oil globules-presence or-absence. . ivtrfbs bayk nlo cypdjjt xeezsseq palps kjdlrv daoxh pbh oosvdy