Morphometrics
Flesh
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At 31,500 species, fish exhibit greater species diversity than any other class of vertebrates - [PPTX Powerpoint]Kryptopterus vitreolus: The Enigmatic Glass CatfishThe Complete Frog Life Cycle - Egg, Tadpole, FrogWhat are the characteristics of wallago attu fish? | 5 Answers from Research papersCatfish
Labeo
Wallago attu
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The morphometric characteristics of Wallago attu fish include total length ranging from 63.83±1.08 cm, total standard length of 59.35±1.28 cm, and various correlation coefficients for different body parts such as caudal length, anal fin length, and dorsal fin length . Additionally, the species exhibits specific meristic counts like dorsal fin ray 6, pectoral fin ray 16, anal fin ray 93, pelvic fin ray 12, caudal fin ray 18, and two pairs of barbels . Furthermore, studies have described new species of parasites infecting Wallago attu, impacting its intestine and stimulating inflammatory immune responses . The fish also shows variations in metal concentrations in its body, with all metals found within permissible limits and exhibiting different correlations with body weight and length .
Related Questions
What is the significance of morphological characters in the study of acineto?5 answersMorphological characters play a significant role in the study of acineto. They provide important information for distinguishing operational taxonomic units (OTUs) and reconstructing evolutionary history. Morphological studies of acineto involve analyzing variables such as capsule size, spinosity, seed size, flower type, flower color, leaf base, leaf venation, leaf margin, and leaf color. These characters are used to form groups and establish a classification system for acineto species. Additionally, the use of morphological characters in combination with molecular data can help stabilize phylogenetic inferences and improve the stability of phylogenetic nodes. The method of direct comparison and sorting of images can be used to create hierarchical character-cladograms, which serve as hypotheses of phylogeny based on morphological characters. Therefore, morphological characters are essential for understanding the relationships and diversity within the acineto group.What is the difference between fish morphology and fish anatomy?5 answersFish morphology and fish anatomy are closely related but distinct fields of study. Fish morphology refers to the study of the external form and structure of fish, including their overall shape, size, and arrangement of body parts. It focuses on the physical characteristics and variations among different fish species. On the other hand, fish anatomy involves the study of the internal structures and organs of fish, including their skeletal system, muscles, organs, and tissues. It delves into the detailed structure and function of these internal components. While fish morphology primarily deals with the external appearance, fish anatomy provides a deeper understanding of the internal organization and functioning of fish.What is the role of morphological characterisation studies in livestock breeding?5 answersMorphological characterisation studies play a crucial role in livestock breeding. These studies involve the assessment and scoring of animals based on their external characteristics, allowing for the identification, classification, and characterisation of genetic evolution in different species or populations. Morphological markers, obtained through direct visual observation and measurement, provide valuable information about the potential, special adaptive traits, and status of nondescript breeds, aiding in further actions such as improvement and conservation. While the measurement and identification of morphological traits can be time-consuming and limited in evaluating qualitative traits, molecular markers have emerged as a quicker and more informative alternative. However, both types of data require appropriate statistical application for accurate breed characterisation and improvement. Overall, morphological characterisation studies serve as preliminary tools for understanding and enhancing breed diversity, allowing for the selection and improvement of animals that meet specific production needs and can adapt to changing breeding objectives.What are the morphometric characteristics of indigenous breeds of chicken?5 answersThe morphometric characteristics of indigenous chicken breeds have been studied in various regions. The studies have observed and measured different qualitative and quantitative traits of the chickens. These traits include plumage color, feather distribution, shank color, skin color, ear-lobe color, eye color, head shape, comb type, feather morphology, body weight, body length, chest circumference, shank length, wattle length, wingspan, comb width, and comb length. The findings show that these traits vary significantly between different ecotypes and agro-ecological zones. There is also sexual dimorphism, with males generally being larger and heavier than females. The studies suggest that certain morphological traits, such as chest circumference for males and body length for females, are better predictors of body weight than other variables. The variations observed in the morphometric characteristics of indigenous chicken populations provide an opportunity for genetic improvement through selection.What is the significance of the dimorphism in phalloceros harpagos?5 answersThe dimorphism in Phalloceros harpagos is significant because it is associated with different mating tactics. The species exhibits intrasexual dimorphism based on cheliceral size, with a major morph (majors) having larger body and cheliceral size, and a minor morph (minors) having smaller body and cheliceral size. Male-male contests are initiated by majors using their chelicerae, while male-female interactions are similar between morphs. Majors seem to fight for reproductive territories that concentrate females, while minors rely on territory invasion to sneak copulations. The distribution of body and cheliceral traits is bimodal, indicating the existence of distinct morphs. This dimorphism suggests disruptive selection and morphological divergence between males, potentially driven by intrasexual competition for mates.What are the characteristics of a catfish?4 answersCatfish are a diverse group of bony fish that can be found in both marine and freshwater environments. They have a soft and scaleless body, and are known for their ability to adapt to harsh environmental conditions. Catfish have a large diversity in their diet, consuming both plant and animal protein. They also have the ability to take in atmospheric oxygen. The nutritional composition of catfish meat can vary between individuals and species, and is influenced by factors such as cultivation, dietary habits, age, and weight at slaughter. Catfish have unique morphometric and meristic characteristics, including body shape, coloration, total body length, head length, eye diameter, and mouth gap. They also have specific meristic features such as the number of gill rakers, fin rays, and spines. In terms of behavior, catfish have an expansive gape that allows them to slurp in food, which is considered a cool and intricate behavior. Infection with Aeromonas hydrophila can have negative effects on catfish, leading to clinical symptoms, decreased meat quality, and histological changes.
