Climbing Perch Anabas Testudineus Bloch I. Oxygen Uptake and Carbon Dioxide Release into Air and Water
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Oxygen uptake in relation to group size in the juveniles of a climbing perch, Anabas testudineus (Bloch).
The present work reports oxygen uptake in relation to group size in the juveniles (body weight: 0.70 to 1.30 g) of a climbing perch, Anabas testudineus (Bloch). The experiments were conducted at 21.5 +/- 1.0 degrees C using a cylindrical glass respirometer having continuous water flow system. With an increase in the number of fish at an interval of 5 from 5 to 40 in each fourth subsequent exper...
متن کاملEffect of curcumin supplementation on hepatic, renal and intestinal organization of Anabas testudineus (Bloch): Light and electron microscopic studies
Anabas testudineus (commonly known as ‘climbing perch’) is a euryhaline teleost, inhabiting both freshwater and brackish water ecosystems of India and other South East Asian countries. It thrives well in water deficient in dissolved oxygen and is capable of migrating between ponds taking advantage of the accessory respiratory organs, the labyrinthine organs. The market demand for this fish is v...
متن کاملActive ammonia transport and excretory nitrogen metabolism in the climbing perch, Anabas testudineus, during 4 days of emersion or 10 minutes of forced exercise on land.
The climbing perch, Anabas testudineus, inhabits large rivers, canals, stagnant water bodies, swamps and estuaries, where it can be confronted with aerial exposure during the dry season. This study aimed to examine nitrogen excretion and metabolism in this fish during 4 days of emersion. Contrary to previous reports, A. testudineus does not possess a functional hepatic ornithineurea cycle becau...
متن کاملDiet variation in climbing perch populations inhabiting eight different types of ecosystems
The present study revealed that populations of climbing perch (Anabas testudineus) inhabiting river, backwater, shallow water channel, ponds with and without vegetation cover, marsh, sewage canal and aquaculture tank varied significantly in the number of food items consumed. Chironomous larvae, organic debris and filamentous algae were the common ingredients of the menu of this species across f...
متن کاملNa+/H+ Exchanger 3 Is Expressed in Two Distinct Types of Ionocyte, and Probably Augments Ammonia Excretion in One of Them, in the Gills of the Climbing Perch Exposed to Seawater
The freshwater climbing perch, Anabas testudineus, is an euryhaline teleost and an obligate air-breather with the ability to actively excrete ammonia. Members of the Na+/H+ exchanger (NHE) family help maintain intracellular pH homeostasis and ionic balance through the electroneutral exchange of Na+ and H+. This study aimed to obtain, from the gills of A. testudineus, the full cDNA coding sequen...
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