نتایج جستجو برای: holothuroidea

تعداد نتایج: 289  

Journal: :International journal of environment and geoinformatics 2023

Microplastics are found in all aquatic environments, and they can have several negative impacts on marine life. In this study, the distribution of microplastics sediment organs (gut, respiratory tree, tentacles) sea cucumber (Holothuria leucospilota) collected from Mubarak Village Cape Monze Karachi coast Pakistan were investigated. The microplastic amount different H. leucospilota was as 15.3-...

Journal: :Aquatic Ecology 2021

Holothuria arguinensis, mammata and forskali are three common sea cucumber species found in the NE Atlantic, traded international markets susceptible to capture. Allometric relationships reveal if scaling between biometric characters proportional with growth, being a useful tool understand growth strategies. of were estimated compared them populations from different regions. These allometric re...

2017
Mariano I. Martinez Pablo E. Penchaszadeh

This paper describes a new species of Psolus (Holothuroidea, Echinodermata), P. lawrencei sp. nov., (19 specimens) found in the deep sea (308–1398 m) in the Southwestern Atlantic Ocean (SWAO) (around 38°S–54°W) with brooders (up to 3.15 mm) in the tentacles of females and a penis-like genital papilla on males. The presence of dorsal scales, the concave shape of the ossicles with a bridge, the d...

2003

The reproductive status of the holothuroid species Isostichopus badionotus (Selenka, 1867) and Holothuria mexicana (Ludwig, 1875) was studied over 16 months in Bocas del Toro (Panama), from November 1999 to February 2001. Sexual reproduction was evaluated by the gonad index method, and by histology of gonad development. In addition, population structure was assessed based on sex ratio, minimum ...

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