Results 11 to 20 of about 11,796 (96)

Spatial and Temporal Characteristics of Demersal Assemblages in Sığacık Bay, Central Aegean Sea, Turkey

open access: yesÇanakkale Onsekiz Mart University Journal of Marine Sciences and Fisheries, 2021
This study aimed to determine the spatial and temporal variation of species diversity and CPUE in trawl fisheries in the Central Aegean Sea (Sığacık Bay). The study also aimed to evaluate changes in some biometric parameters (mean and frequency of length)
Hakkı DERELİ
doaj   +1 more source

Conellae, enigmatic structures on cephalopod shells—shapes, distribution, and formation [PDF]

open access: yesActa Palaeontologica Polonica, 2019
Conellae, enigmatic cone-shaped structures which can be found on the surface of internal moulds of cephalopod shells (predominantly of ammonoids), are regarded herein as the product of remote (biologically induced) biomineralization formed in closed-off ...
René Hoffmann   +2 more
doaj   +1 more source

Palaeobiology and evolutionary context of Angulithes mermeti, a streamlined early Late Cretaceous shallow-water nautiloid [PDF]

open access: yesActa Palaeontologica Polonica, 2019
Cretaceous nautiloids are commonly characterized by inflated shells and prolonged stratigraphic ranges. In the Albian, the species of Angulithes appeared and compressed, short-lived forms with narrow venters emerged during the Cenomanian age.
Markus Wilmsen , Emad Nagm
doaj   +1 more source

Reconstructing discards profiles of unreported catches [PDF]

open access: yes, 2018
In Portugal it has been estimated that unreported catches represent one third of total catches. Herein, information on landings and total unreported catches (discards) by commercial métier were disaggregated into high taxonomic detail using published ...
Almeida   +53 more
core   +3 more sources

New insights into the morphology, reproduction and distribution of the large-tuberculate octopus Graneledone macrotyla from the Patagonian slope

open access: yesScientia Marina, 2012
The new information reported in this paper is based on 11 specimens of the large-tuberculate octopus Graneledone macrotyla. These specimens were caught in bottom trawl surveys ATLANTIS 2009 and 2010 carried out on the Patagonian slope off the Argentinean
Ángel Guerra   +4 more
doaj   +1 more source

Cephalopods in the diet of keystone-species animals in the region of the Argentine Islands Archipelago (West Antarctica)

open access: yesУкраїнський антарктичний журнал, 2019
Оbjective. The study of diet of keystone-species vertebrates (Nothotenia coriiceps, Phalacrocorax bransfieldensis, Leptonychotes weddellii) in the ecosystem of the Argentine Islands Archipelago. Methods.
І. Dykyy, I. Zahorodnyi
doaj   +1 more source

Control of zootechnology leads to improved Cuttlefish (Sepia officinalis, L.) reproduction performance up to pre-industrial levels [PDF]

open access: yes, 2020
Cephalopods are gaining momentum as an alternate group for aquaculture species diversification, not only because they are a good food source (highly appreciated in some worldwide markets) but they also have the potential to quickly reach a market size ...
Alves, Alexandra   +8 more
core   +2 more sources

Hettangian, Early Jurassic coleoids from West Somerset, SW England—filling a gap in the coleoid record of NW Europe [PDF]

open access: yesActa Palaeontologica Polonica
The semi-articulated remains of two specimens of the putative diplobelid coleoid species of Clarkeiteuthis and a coleoid of uncertain affinity (possibly a phragmoteuthid) are described from a single bed in the Blue Lias Formation (early Hettangian ...
DAVID H. EVANS   +3 more
doaj   +1 more source

Age, growth, and mortality of Loligo vulgaris wild paralarvae : implications for understanding of the life cycle and longevity [PDF]

open access: yes, 2010
Peer ...
Arkhipkin   +47 more
core   +2 more sources

Relationship of Cephalopods Orders Based on Morphological Characters

open access: yesJurnal Kelautan Tropis, 2022
Biodiversity is vital in our daily life. As a maritime country, Indonesian waters harbor many valuable animals such as Cephalopoda. Indonesian waters are rich in various species of cephalopods. Several previous studies on Indonesian cephalopods have been
Nova Mujiono, Putri Sapira Ibrahim
doaj   +1 more source

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