A hybrid open access journal • ISSN 0007-4977 / Online 1553-6955
Przemysław Gorzelak, Michał Kowalewski, Tomasz K Baumiller, Quan Hua, Mariusz A Salamon, Katarzyna Janiszewska
Lifespan estimates remain scarce for deep-sea stalked crinoids. Gorzelak et al. combined Micro-CT tomography and high-precision radiocarbon dating to estimate longevity and growth in Democrinus collected at 260 m off Roatán, Caribbean Sea. Calyx tomography identified 10–13 growth rings, while nine columnals from a ~29-cm stalk yielded post-bomb radiocarbon ages indicating a mean post-larval longevity of 18 ± 2.3 years and stalk growth of 1.6 cm yr⁻¹. These results challenge suggestions of extreme longevity in deep-sea crinoids and indicate that calyx growth rings are not annual, highlighting the limitations of growth banding for estimating echinoderm age.
New observations of Syringodium isoetifolium flowering and fruiting reveal key insights into tropical seagrass reproduction and suggest assisted pollination may enhance fruit production....
Research Articles
Environmental gradients shape pelagic community distributions in the Gulf of Mexico, driving trophic connectivity, diel migrations, and benthic–pelagic energy transfer across ecosystems....
Research Articles
Researchers have described two new marine diatom species from Antarctica, Pseudogomphonema minutum and Pseudogomphonema gracile, found living at Potter Cove, King George Island....
New Taxa Papers
Two new species of marine epiphytic diatoms, Pseudogomphonema minutum sp. nov. and Pseudogomphonema gracile sp. nov., were discovered growing on a the red alga in Potter Cove, King ...
New Taxa Papers
This article explores new research on the decline of the American lobster (Homarus americanus) in southern New England, focusing on larval supply and settlement in Narragansett Bay....
Research Articles
Time-lapse cameras showed low, species-specific predation on endangered white abalone, varying by season and habitat, informing improved reintroduction and restoration strategies...
Research Articles
Light traps near Santa Catalina Island captured larval fishes and octopus paralarvae, revealing seasonal trends and demonstrating a low-cost, effective tool for monitoring nearshore biodiversity...
Research Articles
The 6th Mangrove Macrobenthos and Management meeting (MMM6) convened in Cartagena de Indias, Colombia, from 24 to 28 July, 2023...
Special Issues