Dataset Information

Resurrection and Re-description of Pampus candidus (Cuvier), Silver Pomfret from the Northern Indian Ocean.

ABSTRACT: Pomfrets (Genus Pampus) are commercially important fish in the Indo-Pacific region. The systematics of this genus is complicated because of morphological similarities between species. The silver pomfret from Indian waters has long been considered to be Pampus argenteus. Morphological and molecular examination of specimens from the Arabian Sea and Bay of Bengal regions suggested the silver pomfret from the region represents two species that are distinct both from each other and from P. argenteus from the South China Sea. Based on detailed morphological, meristic and molecular examinations, the most common species from the Indian Ocean was found to correspond with the descriptions of Stromateus candidus (Cuvier), which is resurrected from the synonymy of P. argenteus and redescribed here as Pampus candidus (new combination). The second species, which has restricted distribution in Indian waters needs further studies to arrive at taxonomic conclusions and is hence not described in the current study. Lectotypes are also designated for Pampus candidus.

SUBMITTER: Radhakrishnan DP

PROVIDER: S-EPMC6763701 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Publications

Resurrection and Re-description of Pampus candidus (Cuvier), Silver Pomfret from the Northern Indian Ocean.

Radhakrishnan Divya P DP Kumar Rahul G RG Mohitha Chelat C Shanis C P Rajool R Kinattumkara Bineesh K BK Saidumohammad Basheer V BV Gopalakrishnan Achamveetil A

Zoological studies 20190522

Pomfrets (Genus Pampus) are commercially important fish in the Indo-Pacific region. The systematics of this genus is complicated because of morphological similarities between species. The silver pomfret from Indian waters has long been considered to be Pampus argenteus. Morphological and molecular examination of specimens from the Arabian Sea and Bay of Bengal regions suggested the silver pomfret from the region represents two species that are distinct both from each other and from ...[more]

PMID: 31966308

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Project description:As most teleosts are unable to synthesize vitamin C, supplemental diets containing vitamin C diets play a crucial role in fish health. The aim of this study was to investigate the effect of dietary vitamin C on the intestinal enzyme activity and intestinal microbiota of silver pomfre (Pampus argenteus). Four experimental diets were supplemented with basic diets containing 300 mg of vitamin C/kg (group tjl3), 600 mg of vitamin C/kg (group tjl6), and 1200 mg of vitamin C/kg (group tjl12), as well as vitamin C-free supplemental basic diet (group tjl0), respectively. The four diets were fed to juvenile P. argenteus (average initial weight: 4.68 ± 0.93 g) for 6 weeks. The results showed that the activity of SOD (superoxide dismutase) and CAT (catalase) increased significantly while that of MDA (malondialdehyde) decreased significantly in group tjl3 compared to vitamin group tjl0. At the genus level, groups tjl0, tjl6, and tjl12 contained the same dominant microbial community, Stenotrophomonas, Photobacterium, and Vibrio, whereas group tjl3 was dominated by Stenotrophomonas, Delftia, and Bacteroides. Among the fish fed with a basic diet containing 300 mg of vitamin C/kg, the intestines exhibited a notable abundance of probiotic bacteria, including lactic acid bacteria (Lactobacillus) and Bacillus. The abundance of Aeromonas in groups tjl3 and tjl6 was lower than that of the vitamin C-free supplemental basic diet group, whereas Aeromonas was not detected in group tjl12. In addition, a causative agent of the disease outbreak in cultured P. argenteus, Photobacterium damselae subsp. Damselae (PDD) was the dominant microbiota community in groups tjl0, tjl6 and tjl12, whereas the abundance of PDD in group tjl3 was the lowest among the diets. Taken together, the diets supplied with vitamin C could influence the composition microbial community of P. argenteus. The low level of vitamin C (300 mg of vitamin C/kg per basic diet) supplementation could not only improve the antioxidant capacity but also resist the invasion of pathogenic bacteria.

Dataset Information

Resurrection and Re-description of Pampus candidus (Cuvier), Silver Pomfret from the Northern Indian Ocean.

Publications

Resurrection and Re-description of <i>Pampus candidus</i> (Cuvier), Silver Pomfret from the Northern Indian Ocean.

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