Length‐weight relationships of ornamental fish species from Amanã Lake, Amanã Reserve, Amazonas, Brazil

• Published in: Journal of applied ichthyology Vol. 37; no. 6; pp. 985 - 988
• Main Authors: Hercos, Alexandre P., Prado‐Valladares, Ana Carolina, del Favero, Jana M., Zuchi, Nagila A., Teixeira, Túlio F., Albuquerque, Fábio E. A., de Queiroz, Helder L.
• Format: Journal Article
• Language: English
• Published: Berlin Wiley Subscription Services, Inc 01-12-2021
• Subjects: allometry; Amazon fishes; Animal morphology; Biometry; Fish; Gillnets; Lakes; Length-weight relationships; Lianas; Middle Solimões Basin; neotropical fish fauna; Nets; Ornamental fish; Ornamental fishes; Seine nets; Species; Streams; Traps; Trawlnets; Trawls; Tributaries; Brazil
• ISSN: 0175-8659; 1439-0426
• DOI: 10.1111/jai.14217

Length‐weight relationships (LWRs) were estimated for 16 ornamental fish species from Amanã Lake and nine tributary streams, in Central Brazilian Amazonia. Sampling was carried out bimonthly for a year (2007–2008), using two sets of four gillnets (20 m × 2 m, 2,5; 3,5; 04; 4,5 cm stretch mesh size); trawls were performed with seine nets (35 m × 6 m, 3 mm stretch mesh size); native fish‐traps (fyke‐net like fish‐traps woven from local lianas), and dip nets (0.5 m × 0.5 m stretch mesh size). Measurements were done for standard length (SL – 0.1 cm precision) and total weight (Wt – 0.01 g precision). This study provides information on the length–weight relationships for all sampled species and, in addition, provides new maximum standard lengths for six species.