Results 51 to 60 of about 20,539 (227)
Evidence for adaptive explanations of semelparity in animals
Biological Reviews, EarlyView.ABSTRACT Semelparity, the reproductive strategy of reproducing once, is widespread but uncommon in animals. Classes of models to explain the evolution of semelparity are based either on age structure and mortality schedules – demographic models in which high post‐reproductive mortality risk favours high reproductive effort and semelparity results from ...
Diana O. Fisher +1 more
wiley +1 more source
Acta Scientiarum: Biological Sciences, 2016 It is reported the parasitization of Kudoa sp. (Myxozoa, Multivalvulida) within the somatic muscles of the fish Odontesthes bonariensis (Valenciennes, 1835), Micropogonias furnieri (Desmarest, 1823) and Mugil liza Valenciennes, 1836, captured off Rio ...
Jorge Costa Eiras +3 more
doaj +1 more source
The enigmatic cnidarian Martsaphyton moxi gen. et sp. nov. from the Darriwilian (Middle Ordovician) of Estonia [PDF]
Estonian Journal of Earth Sciences, 2020 On the basis of detailed SEM-EDS study and computer tomography scanning, the single specimen of the enigmatic Martsaphyton moxi from the Aseri Stage (Darriwilian; Middle Ordovician) of Estonia, was identified as a member of the phylum Cnidaria and ...
Oive Tinn, Olev Vinn, Leho Ainsaar
doaj +1 more source
Developmental Dynamics, EarlyView.Abstract The sea anemone, Nematostella vectensis, has been used as a model organism in developmental biology studies for many years. This estuarine species has the notable capacity to regenerate its full body plan from small pieces throughout life. Nematostella have been described as having a great degree of cellular plasticity.
Patrick A. Lewis +3 more
wiley +1 more source
New natural products from Cnidaria.
, 2013 Cumulative number of new natural products discovered from the most representative families in phylum Cnidaria from 1990 to 2009. Inset: Annual growth of the number of new marine natural products discovered from the most representative families in phylum ...
João Puga (334703) +4 more
core +1 more source
Estuarine benthic diversity declines with temperature across a tropical–temperate gradient
Ecography, EarlyView.Estuarine benthic sediments are important habitats that support ecosystem health and productivity, but the drivers of large‐scale patterns in benthic diversity are not well documented. Using 18S amplicon sequencing of 425 sediment DNA samples from estuaries spanning 20° of latitude along Australia's east coast, we assessed tropical–temperate patterns ...
Sally A. Bracewell +5 more
wiley +1 more source
Complete mitochondrial genome of Callogorgia cf. gracilis (Octocorallia: Calcaxonia: Primnoidae)
Mitochondrial DNA. Part B. Resources, 2019 We report the first complete mitochondrial genome of Callogorgia. Callogorgia cf. gracilis isolate DFH32_518B was collected by a remotely operated vehicle at 98 m on McGrail Bank (27.9840725°N, 92.604242°W). The complete mitogenome is 18,937 bp (27.8% A,
Erin E. Easton, David Hicks
doaj +1 more source
Additional notes on Clathrozoella drygalskii (Vanhöffen, 1910) (Cnidaria, Hydrozoa)
Scientia Marina, 2000 Study of the material of Clathrozoella drygalskii (Vanhöffen, 1910), a hydroid initially referred to the thecate hydroids but probably better classified in athecate hydroids along with such families as Hydractiniidae and Solanderiidae, has been continued
W. Vervoort
doaj +1 more source
Is DNA metabarcoding an option for formaldehyde‐preserved zooplankton time series?
Limnology and Oceanography: Methods, EarlyView.Abstract The recovery of amplifiable DNA from formaldehyde‐fixed (FF) zooplankton samples has long been considered problematic, but advances in degraded‐DNA retrieval have renewed interest in FF samples. To access the information stored in long‐term zooplankton time series, we evaluated methods for extracting amplifiable DNA from community samples ...
Aitor Albaina +4 more
wiley +1 more source
Isaurus tuberculatus (Cnidaria, Anthozoa, Zoanthidea), new record from southestem tropical Atlantic
, 2022 Isaurus tuberculatus Gray, 1828 (Cnidaria, Anthozoa Zoanthidea) é pela primeira vez registrada no Brasil na praia da Pituba, Salvador, Bahia.Isaurus tuberculatus Gray, 1828 (Cnidaria, Anthozoa, Zoanthidea) is for the first time recorded from Brazil at ...
Peixinho, Solange +1 more
core +1 more source