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The following diagnostic systems and rating scales are used in psychiatry and clinical psychology. This list is by no means exhaustive or complete. This list is by no means exhaustive or complete. For instance, in the category of depression, there are over two dozen depression rating scales that have been developed in the past eighty years.
Acanthomorphs have developed spiny ctenoid scales (as opposed to the cycloid scales of other groups), tooth-bearing premaxilla and greater adaptations to high speed swimming. [ 5 ] The adipose fin , which is present in over 6,000 teleost species, is often thought to have evolved once in the lineage and to have been lost multiple times due to ...
Perch have a long and round body shape which allows for fast swimming in the water. True perch have "rough" or ctenoid scales. Perch have paired pectoral and pelvic fins, and two dorsal fins, the first one spiny and the second soft. These two fins can be separate or joined. [6]
Symptom and attitude tests are more often called scales. A useful psychological test/scale must be both valid, i.e., show evidence that the test or scale measures what it is purported to measure, [1] [4]) and reliable, i.e., show evidence of consistency across items and raters and over time, etc.
This page was last edited on 9 April 2010, at 21:12 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
Lanternfish typically have a slender, compressed body covered in small, silvery deciduous cycloid scales (ctenoid in four species), a large bluntly rounded head, large elliptical to round lateral eyes (dorsolateral in Protomyctophum species), and a large terminal mouth with jaws closely set with rows of small teeth.
Their bodies are rough to the touch because of their ctenoid scales. [7] Like most perches, the yellow perch has two separate dorsal fins. [8] The anterior, or first, dorsal fin contains 12–14 spines while the second has 2–3 spines in its anterior followed by 12–13 soft rays. The anal fin has 2 spines and 7–8 soft rays. [7]
They have small ctenoid scales which reach onto the cheeks and upper part of gill covers, and form scaly sheaths at the bases of the dorsal and anal fins, with scales extending on to the soft-rayed parts of those fins.