A Unique and Species-Rich Assemblage of Freshwater Glassfishes (Teleostei: Ambassidae: Dapalis) from the lower Oligocene of the Central Paratethys with the Description of Four New Species DOI Creative Commons
Harald Ahnelt, Katarina Bradić-Milinović

Taxonomy, Journal Year: 2024, Volume and Issue: 4(4), P. 805 - 849

Published: Nov. 20, 2024

We describe four new species of the fossil genus Dapalis (Ambassidae), absconditus sp. nov., octospinus parvus nov. and quintus based on articulated skeletons with otoliths in situ from a freshwater habitat lower Oligocene Raljin/Strelac (Serbia). Besides body shape (e.g., length, depth, head preanal length), differ morphological characters like, e.g., serration preopercle, length first two spines dorsal anal fin morphology sagittal ratio otolith height to width length). Together D. pauciserratus, also described Raljin, these represent most species-rich assemblage known so far. The compartmentalization internal structure reveals close relationship extant Ambassidae. Additionally, we discuss character ventral field otolith, depression, only found Raljin. This is unique among European allows us separate five into groups.

Language: Английский

Effect of Temperature on the Early Development of Paralichthys olivaceus Otoliths DOI Creative Commons
Meng Gao, Jiabao Tang, Qinglin Wang

et al.

Animals, Journal Year: 2025, Volume and Issue: 15(6), P. 814 - 814

Published: March 13, 2025

This study aimed to investigate the influence of temperature on early otolith growth and development in P. olivaceus by examining natural (15–19.5 °C) constant (20 ± 0.5 regimes. The findings indicated that initial daily ring appeared fifth day after hatching, with regular formation increments observed under both Throughout incubation period (0–30 days), no significant difference rate was between two However, from days 35 50, significantly higher regime than regime. Morphological changes otoliths differed regimes, more distinct rings Furthermore, strongly correlated fish growth, size positively total length. demonstrated affected increments, offering essential data for reconstructing life history assessing stocking release success.

Language: Английский

Citations

0
Numerical Models for Establishing Relationships Between Otolith Morphometrics and Fish Size in Deep-Sea Scorpaenoid and Dactylopterid Fishes DOI
Davood Nihal, V. V. Anufriev, Purbali Saha

et al.

Thalassas An International Journal of Marine Sciences, Journal Year: 2025, Volume and Issue: 41(2)

Published: May 13, 2025

Language: Английский

Citations

0
THE MIDDLE EOCENE BONY FISH FAUNA OF CALIFORNIA, USA, RECONSTRUCTED BY MEANS OF OTOLITHS DOI Creative Commons
Werner Schwarzhans, Gary L. Stringer, Gary T. Takeuchi

et al.

RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA, Journal Year: 2024, Volume and Issue: 130(2)

Published: July 16, 2024

Large and diverse Eocene otolith assemblages have been described from the US Gulf Atlantic coastal plains, various basins in Europe, New Zealand. Here we a highly association middle (Lutetian Bartonian) strata of southern California, San Diego County, which was retrieved heritage John E. Fitch (1918-1982) archives Ichthyology Department Natural History Museum Los Angeles Angeles, Califronia. The collection represents first assemblage Northeastern Pacific stems two localities: Ardath Shale at Black’s Beach Torrey Pines Park just south Canyon Road north Salk Fault on shore face, MissionValley Formation west-facing graded hill east Miramar Water Treatment Plant near Reservoir. deposited deep shelf continental slope while Mission Valley represent an inland, nearshore environment during times maximum transgression. A total more than15,000 otoliths were found representing 96 species 53 are as new 12 remain open nomenclature. fauna is distinctly richer containing 88 one Reservoir site yielded 38 species. low diversity thought to be related shallow-water it whereas high reflects mixture bathyal fishes. In addition, 24 otolith-based genera established, four category “incertae sedis”. Furthermore, five comparative Coast Lutetian Balegem Belgium. fish California assessed for its paleoecological, paleobiogeographic evolutionary significance. Particular emphasis directed towards elucidation evolution early Ophidiiformes, Paleogene predominantly adapted warm, clastic environments there competing abundance with other percomorphs (e.g., perciforms s.l.). warm paleobioprovince proposed Californian not today’s endemic Northwest along regime cold-water Current.

Language: Английский

Citations

2
The multifaceted diversification of the sagitta otolith across the fish tree of life DOI
Arthur Van Damme, Víctor M. Tuset, Bruno Frédérich

et al.

Biological Journal of the Linnean Society, Journal Year: 2024, Volume and Issue: 143(2)

Published: Oct. 1, 2024

Abstract Otoliths of actinopterygians are calcified structures playing a key role in hearing and equilibrium functions. To understand their morphological diversification, we quantified the shape otoliths both lateral dorsal view from 697 323 species, respectively, using geometric morphometrics. We then combined form (i.e. size shape) information with ecological data phylogenetically informed comparative methods to test our hypotheses. Initially, exploration morphospaces revealed that main variations related sulcus acusticus shape, elongation curvature. also found strong integration between otolith suggesting they closely mirroring each other, reinforcing shape-dependent mechanism crucial for motion relative its epithelium validating functional significance morphology auditory vestibular processes. After revealing retained low phylogenetic signal, showed disparity is decoupled order age level diversity across clades. Finally, some traits correlated evolutionary rate speciation rate. Overall, observed pattern diversification fish tree life highly complex likely be multifactorial.

Language: Английский

Citations

1
Comparison of the saccules and lagenae in six macrourid fishes from different deep-sea habitats DOI Open Access
Xiaohong Deng, Hans‐Joachim Wagner, Arthur N. Popper

et al.

The Journal of the Acoustical Society of America, Journal Year: 2023, Volume and Issue: 154(5), P. 2937 - 2949

Published: Nov. 1, 2023

There are substantial interspecific differences in the morphology of ears more than 34 000 living fish species. However, almost nothing is known about functional significance these differences. One reason that most comparative studies have been conducted on shallow-water species with far less focus numerous inhabit depths oceans. Thus, to get a better sense ear diversity fishes and its potential role hearing, this study focuses saccule lagena, primary auditory end organs, six family Macrouridae (rattails), large group typically from 1000 4000 m. The inner and, particularly, saccules lagenae resembling other Gadiformes. all macrourids studied here serrated edge otoliths highly diverse hair cell ciliary bundle shapes. found anatomy likely reflect sensory advantages different habitats related benefits constraints at depths, fish's particular lifestyle, trade-off among systems.

Language: Английский

Citations

1
A Unique and Species-Rich Assemblage of Freshwater Glassfishes (Teleostei: Ambassidae: Dapalis) from the lower Oligocene of the Central Paratethys with the Description of Four New Species DOI Creative Commons
Harald Ahnelt, Katarina Bradić-Milinović

Taxonomy, Journal Year: 2024, Volume and Issue: 4(4), P. 805 - 849

Published: Nov. 20, 2024

We describe four new species of the fossil genus Dapalis (Ambassidae), absconditus sp. nov., octospinus parvus nov. and quintus based on articulated skeletons with otoliths in situ from a freshwater habitat lower Oligocene Raljin/Strelac (Serbia). Besides body shape (e.g., length, depth, head preanal length), differ morphological characters like, e.g., serration preopercle, length first two spines dorsal anal fin morphology sagittal ratio otolith height to width length). Together D. pauciserratus, also described Raljin, these represent most species-rich assemblage known so far. The compartmentalization internal structure reveals close relationship extant Ambassidae. Additionally, we discuss character ventral field otolith, depression, only found Raljin. This is unique among European allows us separate five into groups.

Language: Английский

Citations

0