Results 91 to 100 of about 8,396 (248)
Temporal and Spatial Distribution Patterns of Echinoderm Larvae in La Parguera, Puerto Rico
Revista de Biología Tropical, 2010 This study describes temporal and spatial abundance patterns of echinoderm larvae in La Parguera, Puerto Rico. For the temporal study, larvae were sampled by a series of monthly tows taken with a 64μm mesh net between the new and full moon from April ...
Stacey M Williams, Jorge García-Sais
doaj +2 more sources
Isolation and identification of bacterial endosymbionts in the brooding brittle star Amphipholis squamata [PDF]
, 2016 Symbiotic associations with subcuticular bacteria (SCB) have been identified and studied in numerous echinoderms, including the SCB of the brooding brittle star, Amphipholis squamata.
Tedford, Abbey Rose
core +1 more source
Opsin evolution in the Ambulacraria [PDF]
, 2015 Opsins - G-protein coupled receptors involved in photoreception - have been extensively studied in the animal kingdom. The present work provides new insights into opsin-based photoreception and photoreceptor cell evolution with a first analysis of opsin ...
A. Valero-Gracia +52 more
core +2 more sources
Ecography, Volume 2025, Issue 10, October 2025.The core–periphery hypothesis (CPH) predicts that genetic diversity is greatest at the centre and lowest at the edges of a species' distribution because genetic diversity is a function of a species' abundance, which is also expected to be greatest at the centre and lowest at the edges of the distribution. Variants of the CPH include the ‘Ramped North' (
Daniel Cárcamo +2 more
wiley +1 more source
A new brittle star from the early Carboniferous of Poland and its implications on Paleozoic modern-type ophiuroid systematics [PDF]
Acta Palaeontologica Polonica, 2015 The fossil record of Paleozoic ophiuroids includes a number of forms which share striking similarities with modern relatives in terms of skeletal morphology.
Ben Thuy +2 more
doaj +1 more source
Diet composition of fish species from the southern continental shelf of Colombia [PDF]
, 2002 The diet composition of 30 fish species belonging to 16 families from the Pacific Coast of Colombia is described. Benthic crustaceans (37.5%) and bony fishes (23.7%, chiefly demersal) were the most important food items for the fish species analyzed. Data
Arcila, C.A.T., Lopez-Peralta, R.H.
core
Sequencing and analysis of the gastrula transcriptome of the brittle star Ophiocoma wendtii [PDF]
, 2012 Background The gastrula stage represents the point in development at which the three primary germ layers diverge. At this point the gene regulatory networks that specify the germ layers are established and the genes that define the differentiated states ...
Garey, James R. +4 more
core +2 more sources
Ecosphere, Volume 16, Issue 8, August 2025.Abstract Mesophotic coral ecosystems (MCEs), occurring between 30 and 150 m depth, are increasingly recognized for their ecological importance, yet they remain underexplored, particularly in the southwestern Indian Ocean. During benthic surveys conducted at depths ranging from 15 to 75 m off northwestern Reunion Island, we documented a dense and ...
Ludovic Hoarau +12 more
wiley +1 more source
Echinoderm Biodiversity in the Takofi Coastal Waters, Moti Island, North Maluku
Makara Seri Sains, 2006 A total of 22 echinoderm species were found in Takofi waters, North Maluku. They were represented by 6 species of holothuroidea, 4 species of asteroidea, 5 species of echinoidea and 7 species of ophiuroidea.
Eddy Yusron
doaj
Genetic variation in the brooding brittle-star: a global hybrid polyploid complex?
Royal Society Open ScienceThe widespread and abundant brooding brittle-star (Amphipholis squamata) is a simultaneous hermaphrodite with a complex mitochondrial phylogeography of multiple divergent overlapping mtDNA lineages, high levels of inbreeding or clonality and unusual ...
Andrew F. Hugall +2 more
doaj +1 more source