Journal Article

Physio-metabolic alterations in Labeo rohita (Hamilton, 1822) and native predator Chitala chitala (Hamilton, 1822) in presence of an invasive species Piractus brachypomus (G. Cuvier, 1818)

Talukdar, Avinash, Patowary, Arnab Narayan, Ahmed, Mustafa, Xavier, Martin, Kalita, Rinku, Pokhrel, Hemanta, Ali, Ayub, Phukan, Bipul, Deka, Pankaj, Borah, Kankana, Kalita, Manoj, Kumar, Annam Pavan, Kumar Sarma, Dipak, Bhuyan, Pradip Chandra

2024

Overview

A 60 days study was conducted to evaluate the physiological response of indigenous species Labeo rohita ( LR ) and indigenous predator Chitala chitala ( CC ) in presence of an invasive species Piaractus brachypomus ( PB ). Two treatment groups as LR  +  PB (T1) and LR  +  PB  +  CC (T2) with individual control groups as T 0 LR, T 0 PB and T 0 CC were designed in triplicates. Fingerlings of LR , PB and CC were randomly distributed into 15 circular tanks with a stocking ratio of 1:1 and 1:1:0.3 in T1 and T2 group, respectively and 10 nos. each of LR , PB and CC in respective control groups. At first 15 min of the experiment, cortisol level was found significantly ( P  < 0.05) higher in all three experimental fishes in T1 and T2 groups. With the experimental duration, the level of stress hormone (cortisol), oxidative stress enzymes (superoxide dismutase, catalase, and glutathione peroxidase), tissue metabolic enzymes (lactate dehydrogenase and malate dehydrogenase), serum metabolic enzymes (transaminase enzymes) and blood glucose level were significantly ( P  < 0.05) increased in T1 and T2 groups for LR and CC whereas, no variation ( P  > 0.05) were observed for PB in both T1 and T2 groups. The total antioxidant capacity (TAC), liver glycogen, total protein, albumin and globulin were found to be significantly ( P  < 0.05) decreased in LR in the presence of PB and CC . The present study provides a preliminary insight into the biological interaction between native and invasive species and their physiological responses in the presence of native predator with higher trophic index. Thus, the results of the study suggest the superior traits of invasive P. brachypomus try to dominate the other two native species by negatively influencing the native fauna even with a higher trophic index ( C. chitala ).

• Publisher: Springer Berlin Heidelberg,Springer Nature B.V
• Subject: albumins / Animals / antioxidant activity / Aquatic Pollution / Biological effects / blood glucose / Blood levels / blood serum / Catalase / Chitala chitala / Cortisol / Cyprinidae - physiology / Dehydrogenase / Dehydrogenases / Earth and Environmental Science / Ecotoxicology / Environment / Environmental Chemistry / Environmental Health / Enzymes / fauna / Globulins / Glutathione / Glutathione peroxidase / Glycogen / Glycogens / Hormones / Hydrocortisone - blood / Indigenous species / Introduced Species / Invasive species / L-Lactate dehydrogenase / Labeo rohita / Lactate dehydrogenase / liver / Malate dehydrogenase / Metabolism / Nonnative species / Oxidative Stress / Peroxidase / physiological response / Physiological responses / Physiology / Piaractus brachypomus / Predators / protein content / Research Article / Superoxide dismutase / Transaminase / Waste Water Technology / Water Management / Water Pollution Control