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95 results for “Wrasse”
Fig. 4 in Iniistius bakunawa, a new species of razor wrasse (Teleostei: Labridae) from the Philippines and Western Australia
Fig. 4. Anterior gill rakers on a portion of the ceratobranchial of the first gill arch of Iniistius bakunawa, new species. Illustration based on the KAUM-I. 80684 paratype. Scale bar represents 2 mm.
Fig. 3 in Iniistius bakunawa, a new species of razor wrasse (Teleostei: Labridae) from the Philippines and Western Australia
Fig. 3. Iniistius bakunawa, new species, A–C, freshly dead specimens showing colouration in life; and D–F, X-rays. A, USNM 435404, paratype, 162.4 mm SL, Cebu Island, Philippines; B, USNM 437745, paratype, 155.1 mm SL, Panay Island, Philippines; C, USNM 437747, paratype, 158.8 mm SL, Panay Island, Philippines; D, CSIRO H 1488-1, paratype, 129.8 mm SL, off northwest Dampier Archipelago, Western Australia; E, CSIRO H 1506-1, paratype, 144.5 mm SL, off northern Dampier Archipelago, Western Australia; F, KAUM-I. 80684, paratype, 172.0 mm SL, Panay Island, Philippines. Photographs by J.T. Williams. X-rays provided by K. Parkinson.
Fig. 2 in Iniistius bakunawa, a new species of razor wrasse (Teleostei: Labridae) from the Philippines and Western Australia
Fig. 2. Iniistius bakunawa new species, freshly dead paratypes from Dampier Archipelago, Western Australia, showing colouration in life. A, CSIRO H 1488-1, paratype, 129.8 mm SL; B, CSIRO H 1506-1, paratype, 144.5 mm SL. Note the concentric black and white ellipsoid dorsal-fin ocellus characteristic of this species. Photographs by G. Johnson, CSIRO. Images provided by CSIRO Australian National Fish Collection.
Fig. 1 in Iniistius bakunawa, a new species of razor wrasse (Teleostei: Labridae) from the Philippines and Western Australia
Fig. 1. Iniistius bakunawa new species, KAUM-I. 80684, paratype, 172.0 mm SL, Panay Island, Philippines. A, Freshly dead specimen showing colouration in life; B, same specimen in preservation. Note the concentric black and white ellipsoid dorsal-fin ocellus characteristic of this species. Photographs by H. Motomura (A) and Y.K. Tea (B).
Fig. 5 in Iniistius bakunawa, a new species of razor wrasse (Teleostei: Labridae) from the Philippines and Western Australia
Fig. 5. Known locality records for type specimens of Iniistius bakunawa, new species. The type locality is represented by an outlined symbol. Records from the Philippines are based on material obtained from fish markets.
Concordance and discordance in the phylogenomics of the wrasses and parrotfishes (Teleostei: Labridae)
<p>Phylogenomic analysis of large genome-wide sequence data sets can resolve phylogenetic tree topologies for large species groups, help test the accuracy of and improve resolution for earlier multilocus studies, and reveal the level of agreement or concordance within partitions of the genome for various tree topologies. Here we used a target-capture approach to sequence more than 1,000 single-copy exons for more than 200 labrid fishes together with more than 100 outgroup taxa to generate a new data-rich phylogeny for the family Labridae. Our time-calibrated phylogenetic analysis of exon-capture data pushes the root node age of the family Labridae back into the Cretaceous to about 79 Ma years ago. The monotypic Centrogenys vaigiensis, and the order Uranoscopiformes (stargazers) are identified as the sister lineages of Labridae. The phylogenetic relationships among major labrid subfamilies and within these clades was largely congruent with prior analyses of select mitochondrial and nuclear datasets. However, the position of the tribe Cirrhilabrini (fairy and flame wrasses) showed discordance, resolving either as the sister to a crown julidine clade or alternatively sister to a group formed by the labrines, cheilines and scarines. Exploration of this pattern using multiple approaches leads to slightly higher support for this latter hypothesis, highlighting the importance of genome-level data sets for resolving short internodes at key phylogenetic positions in large, economically important groups of coral reef fishes.</p>
Fig. 5. A recently founded cleaning station with a in The glassy sweepers' way: seeking a versatile wrasse to be cleaned
Fig. 5. A recently founded cleaning station with a very small Noronha wrasse (Thalassoma noronhanum) hovering amidst a small group of posing brown chromis (Chromis multilineata).
Fig. 4 in The glassy sweepers' way: seeking a versatile wrasse to be cleaned
Fig. 4. Two sub-groups of the glassy sweeper (Pempheris schomburgki) hovering in the open, each sub-group being cleaned by a Noronha wrasse (Thalassoma noronhanum) (elongate fish with dark dorsum and white belly mingled with the sweepers).
Fig. 3. A in The glassy sweepers' way: seeking a versatile wrasse to be cleaned
Fig. 3. A small group of glassy sweepers (Pempheris schomburgki) leaving their daytime shelter and streaming towards a small Noronha wrasse (Thalassoma noronhanum) individual (elongate fish on upper right side) to be cleaned.
Fig. 2. A in The glassy sweepers' way: seeking a versatile wrasse to be cleaned
Fig. 2. A large glassy sweeper (Pempheris schomburgki) aggregation hiding at daytime in a grotto formed by a large boulder.
Fig. 1. A in The glassy sweepers' way: seeking a versatile wrasse to be cleaned
Fig. 1. A small Noronha wrasse (Thalassoma noronhanum) individual, displaying the characteristic colour pattern of the initial phase.
Concordance and discordance in the phylogenomics of the wrasses and parrotfishes (Teleostei: Labridae)
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Alteration of cleaner wrasse cognition and brain morphology under marine heatwaves
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Burrowing Constrains Patterns of Skull Shape Evolution in Wrasses
<p>The evolution of behavioral and ecological specialization can have marked effects on the tempo and mode of phenotypic evolution. Head-first burrowing has been shown to exert powerful selective pressures on the head and body shapes of many vertebrate and invertebrate taxa. In wrasses, burrowing behaviors have evolved multiple times independently, and are commonly used in foraging and predator avoidance behaviors. While recent studies have examined the kinematics and body shape morphology associated with this behavior, no study to-date has examined the macroevolutionary implications of burrowing on patterns of phenotypic diversification in this clade. Here, we use three-dimensional geometric morphometrics and phylogenetic comparative methods to study the evolution of skull shape in fossorial wrasses and their relatives. We test for skull shape differences between burrowing and non-burrowing wrasses and evaluate hypotheses of shape convergence among the burrowing wrasses. We also quantify rates of skull shape evolution between burrowing and non-burrowing wrasses to test for whether burrowing constrains or accelerates rates of skull shape evolution in this clade. We find that while burrowing and non-burrowing wrasses exhibit similar degrees of morphological disparity, for burrowing wrasses, it took nearly twice as long to amass this disparity. Furthermore, while the disparities between groups are evenly matched, we find that most burrowing species are confined to a particular region of shape space with most species exhibiting narrower heads than many non-burrowing species. These results suggest head-first burrowing constrains patterns of skull shape diversification in wrasses by potentially restricting the range of phenotypes that can perform this behavior.</p>
Figure 3 in Crossing the borders: First record of Bleeding Wrasse, Polylepion cruentum Gomon, 1977 (Labriformes, Labridae), in the Northern Peru
Figure 3. Maximum likelihood tree based on mitochondrial Cytochrome oxidase c subunit 1 for several species of labrids, including the new specimen of P. cruentum. The series of three numbers (e.g., 100) at each of the main nodes represents the percentage of bootstrap support obtained by Maximum Likelihood (ML) analysis, respectively (1,000 pseudoreplicates). Dashes represent values <50%.
Figure 2 in Crossing the borders: First record of Bleeding Wrasse, Polylepion cruentum Gomon, 1977 (Labriformes, Labridae), in the Northern Peru
Figure 2. Distribution of Polylepion cruentum in the Tropical Eastern Pacific (TEP). Red Star represents Type locality of the species in Costa Rica. Black Circle represents the new record of the species in the Northern Peru (Acapulco, Tumbes Department). White Square represents the specimen from Baja California, Mexico.
Figure 1. Polylepion cruentum, LCT 579, 233 in Crossing the borders: First record of Bleeding Wrasse, Polylepion cruentum Gomon, 1977 (Labriformes, Labridae), in the Northern Peru
Figure 1. Polylepion cruentum, LCT 579, 233 mm SL: Peru,Tumbes Department., Plateros-Acapulco, 16 MN into the Pacific Ocean, 09 Aug. 2016. Photo by Carlos Luque.
Correlated evolution of sex allocation and mating system in wrasses and parrotfishes
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Burrowing Constrains Patterns of Skull Shape Evolution in Wrasses
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Conflict and cooperation in male-male partnerships alters paternal care in the ocellated wrasse
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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