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10 results for “Amphiprion”
MCR LTER: Genetics: Settlement dynamics in the clownfish, Amphiprion chrysopterus
These data describe the genetics of recruiting Amphiprion chrysopterus. Our goal is to score every single clownfish from the island of Moorea (we believe that the total population in Moorea is of approximately 300-500 individuals). Individuals are characterized using microsatellites, thus the data are presented as a matrix of alleles corresponding to a set of microsatellite loci. Ultimately, we want to determine the level of self-recruitment in Moorea by estimating the number of offspring which recruit on Moorea and that are derived from Moorea parents. These data are published in DOI: 10.1098/rspb.2011.2433 Beldade, R., S.J. Holbrook, R.J. Schmitt, S. Planes, D. Malone and G. Bernardi. In Press. Larger female fish contribute disproportionately more to self-replenishment. Proceedings of the Royal Society of London. Series B, Biological Sciences.
Figure 1 in The post-embryonic development of Amphiprion perideraion reveals a decoupling between morphological and pigmentation changes
Figure 1. – Amphiprion perideraion development from hatching to 20 dph. Graph showing the quantitative measurement of individual larvae from hatching to 20 dph, therefore providing an indication on individual variation. A: Morphological characters measured. HD, head depth; HL, head length; SL, standard length; BD, body depth (Allen, 1974; Önsoy et al., 2011). B: Graph showing the significant relation- ship among TL to larvae age. C: Allometric growth equation between TL and SL (orange), BD (red), HD (turquoise), and HL (blue) in larvae. Note that the allometric growth is negative for HL and positive for BD and HD. D: Stereomicroscope images of larvae from 1 dph to 15 dph. E-I: Higher magnification of caudal (E), dorsal (F), anal (G) and pelvic (H) fins formation and pigmentation ontogenesis (I). Scale bars = 1 mm.
Higher ultraviolet skin reflectance signals submissiveness in the anemonefish, Amphiprion akindynos
<p>Ultraviolet (UV) vision is widespread among teleost fishes, of which many exhibit UV skin colours for communication. However, aside from its role in mate selection, few studies have examined the information UV-signalling conveys in other socio-behavioural contexts. Anemonefishes (subfamily, Amphiprioninae) live in a fascinating dominance hierarchy, in which a large female and male dominate over non-breeding subordinates, and body size is the primary cue for dominance. The iconic orange and white bars of anemonefishes are highly UV-reflective, and their colour vision is well-tuned to perceive the chromatic contrast of skin, which we show here decreases in the amount of UV-reflectance with increasing social rank. To test the function of their UV-skin signals, we compared the outcomes of staged contests over dominance between size-matched Barrier Reef anemonefish (<em>Amphiprion akindynos</em>) in aquarium chambers viewed under different UV-absorbing filters. Fish under UV-blocking filters were more likely to win contests, whereas fish under no-filter or neutral-density filter were more likely to submit. For contests between fish in no-filter and neutral density filter treatments, light treatment had no effect on contest outcome (win/lose). We also show that sub-adults were more aggressive towards smaller juveniles placed under a UV filter than a neutral density filter. Taken together, our results show that UV-reflectance or -contrast in anemonefish can modulate aggression and encode dominant and submissive cues when changes in overall intensity are controlled for.</p>
Higher ultraviolet skin reflectance signals submissiveness in the anemonefish, Amphiprion akindynos
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Assessing the impact of static and fluctuating ocean acidification on the behavior of Amphiprion percula
<p>Attached is the complete raw data from Vaughan and Dixson 2021 ‘Assessing the impact of static and fluctuating ocean acidification on the behavior of <em>Amphiprion percula</em>’. </p> <p>Data collected from the behavioral lateralization trials has been inputted into the file ‘Vaughan_2020_Lateralization_Raw’. Column A indicate the CO<sub>2</sub> treatment group, where “SPD” = Static Present Day, “SFD” = Static Future Day, “FPD” = Fluctuating Present Day, and “FFD” = Fluctuating Future Day. Each individual fish used from each treatment group (n=30) is displayed in Column B. Column C shows the binary results, in order, of each fish’s turns in the T-maze, and was scored as 0 (right turn) or 1 (left turn) for a total of 10 turns. The total number of turns to the right and left are provided in Column D-E. The relative lateralization (<em>L</em><sub>R</sub>) of each fish was calculated {L<sub>R</sub> = [(Turn to the right – Turn to the left)/(Turn to the right + Turn to the left)] ∗ 100} in Column F. Absolute lateralization (<em>L</em><sub>A</sub>) is provided in Column G.</p> <p>Chemosensory response data has been inputted into the file ‘Vaughan_2020_Chemosensory_Raw’. Column A and B display treatment group and fish ID (n=20) as outlined above. The cue used in trial of either Tang (nonpredator) or Cod (predator) is provided in Column C, and the control in Column D. Numbers in these are used solely for the purpose of data analysis. The side of the cue in the flume is provided in Column E, and corresponds with the cue labelled in Column C. Buckets containing either the cue or control were placed above the flume and color coded as “BS” (blue side) and “RS” (red side), as the person scoring the trials was blinded. This also helped account for the switch (from one side of the flume to the other) that occurs halfway through each trial. Columns F-G represent results from the first 2min recording period, and Columns H-I represent results from the second 2min recording period. The total tallies from each fish are provided in Column J; the totals from each side are calculated in Columns K-L, and then sorted by either cue or control in Columns M-N. Proportions and percentages in cue and control are calculated and provided in Columns O-P and Q-R, respectively. </p> <p>Carbonate chemistry data is compiled and provided in the ‘Vaughan_2020_Carbonate_Chemistry’. Measurements were taken each week (Column A) of each treatment group (as stated above, Column B). Column C reflects the time recordings were taken in the fluctuating treatments to hit the high, mid and low CO<sub>2</sub> points at “6:30”, “12:30” and “18:30”. Measurements of static treatment groups were taken at randomly selected times to get the reflection of the carbonate chemistry of these treatments, but for the purpose of clarity in this document they are listed as “Static”. Measurements were taken from a subset of tanks each that rotated each week (Column D). Our target pH<sub>NBS</sub> values (i.e. what was programmed into the APEX System) are listed in Column E. Columns F-H displayed pH<sub>NBS</sub> (taken with APEX probes), temperature °C (taken with a portable Mettler Toledo probe) and salinity (taken with a refractometer). Water samples were analyzed spectrophotometrically to provide pH<sub>T</sub> and dissolved inorganic carbon, with values provided in Columns I-J. Using the program CO2SYS, total alkalinity and <em>p</em>CO<sub>2</sub> were calculated, with values provided in Columns K-L.</p>
FIGURE 104. Amphiprion sandaracinos Allen 1972 in Checklist of the marine and estuarine fishes of New Ireland Province, Papua New Guinea, western Pacific Ocean, with 810 new records
FIGURE 104. Amphiprion sandaracinos Allen 1972, Kavieng District, ACIAR Aquarium Survey, 3 June 2013 (underwater photograph).
FIGURE 102. Amphiprion melanopus Bleeker 1852 in Checklist of the marine and estuarine fishes of New Ireland Province, Papua New Guinea, western Pacific Ocean, with 810 new records
FIGURE 102. Amphiprion melanopus Bleeker 1852, Lissenung Island, Kavieng District, 16 Aug. 2009 (underwater photograph: Dietmar Amon).
Date for: The chromosome-scale genome assembly of the yellowtail clownfish Amphiprion clarkii provides insights into melanic pigmentation of anemonefish
<p><span>Anemonefish are an emerging group of model organisms due to interesting biological traits such as sequential hermaphroditism, social control of size, symbiosis with anemones, and varying pigmentation patterns. In addition to genus-specific traits, the anemonefish <em>Amphiprion</em> <em>clarkii</em> possesses species-specific characteristics such as interspecies co-habitation, high intraspecies color variation, no anemone specificity, and a broad distribution, that have the potential to further our understanding of anemonefish evolutionary history, behavioral strategies, fish-anemone symbiosis, and color pattern evolution. However, despite its position as an emerging model species, the genome of <em>A. clarkii </em>is yet to be published. Here, using PacBio long-read, Illumina short-read and Hi-C chromatin capture technology we generated a high-quality chromosome-scale genome for the anemonefish <em>A. clarkii</em>. The initial assembly consisted of 1840 contigs with an N50 of 1,203,211 bp. These contigs were successfully anchored into 24 chromosomes of 843,582,782 bp and then annotated with 25,050 </span>protein-coding gene models. With the chromosome-scale assembly encompassing 98.7% of conserved actinopterygian genes and the annotation containing 97.0%, the quality and completeness of this <em>A. clarkii</em> genome is the highest amongst all published anemonefish genomes. The publication of this high-quality genome, along with <em>A. clarkii'</em>s many unique traits, position this species as an ideal model organism for addressing scientific questions across a range of disciplines.</p>
Date for: The chromosome-scale genome assembly of the yellowtail clownfish Amphiprion clarkii provides insights into melanic pigmentation of anemonefish
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Data from: First draft genome of an iconic clownfish species (Amphiprion frenatus)
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