نتایج جستجو برای: meristic
تعداد نتایج: 444 فیلتر نتایج به سال:
We conducted this study during the Summer, 2013 to evaluate morphological features of the species of the genus Paracobitis in Sistan basin. For this purpose, 60 specimens randomly were caught by a gill-net from different parts of Lake Chah Nime (Zabol, Sistan and Baluchistan), fixed in formalin solution and transferred to a laboratory for further examination. We measured 37 absolute morphologic...
Finger length ratios are organized during embryonic development of fingers as they exposed to sex steroid hormones, and may show varying degrees of sexual dimorphism between males and females in different animal groups. Among all the finger length ratios calculated in a sample, the ratio between the second to fourth fingers (2D: 4D) is the most important one. In this study, the 2D:4D ratios in ...
New records of Parascolopsis akatamae Miyamoto, McMahan, & Kaneko, 2020 are reported from India’s southeast coast. Three specimens were collected in April 2021 on the Parangipettai coast, Tamil Nadu, India. We examined and compared morphometric meristic characters our with published data holotype. The new India expand known distribution P. , whi...
Three specimens of Silver John dory, Zenopsis conchifer, (Lowe, 1852) were observed for the first time in Ligurian Sea and northern Tyrrhenian (western Mediterranean), one 2020 two 2021. This is fifth record (up to ten individuals) Z. conchifer Mediterranean Sea, which occurred 11 years after last observation 2010 southern Sea. The present study reports northernmost species western indicating a...
This paper discusses the first record of sammara squirrelfish, Neoniphon in Egyptian Mediterranean waters. On April 2020, 17 specimens this species were recorded miscellaneous catch at Mersa Matruh landing site on Sea (31.33333° Ν, 27.216665° E), Egypt. The collected represent N. These have a total length 15.3 to 21.5 cm, fork 13.3 18.7 standard 12.4 17.2 and weight 45.3 125.1 g. specimens’ mor...
A specimen of Synagrops japonicus was collected in the north-western Mediterranean during an exploratory cruise using bottom trawl nets, aimed at evaluation possible consequences lost sea drums containing toxic materials. The discovery this follows first record that occurred same area 28 years previously, fished by a trawler waters Portofino (Genoa, Italy) 1987. morphometric and meristic detail...
A new species of the cosmopolitan jellyfish genus Aurelia is described from coastal waters Mozambique using a combination morphological, meristic and genetic information (COI 18S). The can be separated congeners that have been recently by bell shape, number canal origins anastomoses, shape manubrium oral arms. Three types nematocysts are present in tissues both margin arms, this description cni...
The dactylopterid fishes are non-commercial fishes and occasionally caught as a by-catch during commercial trawling. Two specimens of Dactyloptena peterseni were collected during the survey of commercial trawl catch at Karachi fish harbor. This is the first report on the occurrence of Dactyloptena peterseni in the Pakistani waters. The present study gives the detail description of morphometric ...
A new species of serranine fish is described from the Philippine Islands. A single specimen of a new species, Chelidoperca santosi, captured by fishermen working in Palawan waters was discovered in the public fish market in Iloilo City, Panay, Philippines. Two additional specimens of the new species, also from the Philippines, were subsequently discovered in the collections of the Museum Victor...
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