Five hundred million years to mobility: directed locomotion and its ecological function in a turtle barnacle.

Published on Oct 13, 2021in Proceedings of The Royal Society B: Biological Sciences5.349
· DOI :10.1098/RSPB.2021.1620
Sing-Pei Yu3
Estimated H-index: 3
(AS: Academia Sinica)
Movement is a fundamental characteristic of life, yet some invertebrate taxa, such as barnacles, permanently affix to a substratum as adults. Adult barnacles became ‘sessile’ over 500 Ma; however, ...
#1Teresa Maria Morganti (MPG: Max Planck Society)H-Index: 5
#2Autun PurserH-Index: 25
Last. Antje Boetius (MPG: Max Planck Society)H-Index: 80
view all 9 authors...
Summary In 2016, the research ice-breaker Polarstern surveyed the submerged peaks of the permanently ice-covered Langseth Ridge, a tectonic feature comprising the Karasik seamount and two deeper seamount peaks, abutting the Gakkel ultra-slow spreading ridge (87°N 62°E to 85.5°N 57.4°E) 1 . A towed marine camera sled and a hybrid remotely operated vehicle revealed these peaks to be covered by a dense demosponge community, at first glance reminiscent of North Atlantic Geodia grounds (sensu 2 ). Sp...
#1John D. Zardus (The Citadel, The Military College of South Carolina)H-Index: 17
Barnacles that are obligate epizoites of sea turtles are not parasites in the traditional sense. However, they can impair their hosts in some instances, disqualifying the association as strictly commensal. Characterizing these interactions requires knowing which epibionts pair with which hosts, but records of barnacles from sea turtles are scattered and symbiont/host match-ups remain equivocal. The objective of this study was to collate global records on the occurrence of barnacles with sea turt...
#1Alexandra C. Arkwright (Swansea University)H-Index: 1
#2Emma Archibald (Swansea University)H-Index: 1
Last. Rory P. Wilson (Swansea University)H-Index: 75
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Vertebrates are recognized as sentient beings. Consequently, urgent priority is now being given to understanding the needs and maximizing the welfare of animals under human care. The general health of animals is most commonly determined by physiological indices e.g. blood sampling, but may also be assessed by documenting behaviour. Physiological health assessments, although powerful, may be stressful for animals, time-consuming and costly, while assessments of behaviour can also be time-consumin...
#1Antonio G. Checa (CSIC: Spanish National Research Council)H-Index: 29
#2Carmen Salas (UMA: University of Málaga)H-Index: 20
Last. Nelson A. Lagos (Universidad Santo Tomás)H-Index: 26
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The morphology and ultrastructure of the shells of two balanid species have been examined, paying special attention to the three types of boundaries between plates: (i) radii-parietes, (ii) alae-sh...
#1Wan-Hwa Cheng (ASU: Arizona State University)H-Index: 1
#2Ying-Tin Chan (NTOU: National Taiwan Ocean University)H-Index: 1
Last. I-Jiunn Cheng (NTOU: National Taiwan Ocean University)H-Index: 2
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: Facial photo identification (ID) has proven to be a non-invasive method for identifying individual wild animals, and in recent years it has been effective on megafauna such as sea turtles. However, when processing hundreds of photos over a long period of time, variation in facial scale patterns makes identifying individuals complicated. This means that there is a high possibility that the individual is misidentified, which results in incorrectly determining population sizes. This study used th...
#1P.A. GabbottH-Index: 1
#2V.N. LarmanH-Index: 1
#1Niklas Dreyer (UCPH: University of Copenhagen)H-Index: 6
#2Stefan Sørensen (UCPH: University of Copenhagen)H-Index: 2
Last. Jens T. Høeg (UCPH: University of Copenhagen)H-Index: 43
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#1Niklas Dreyer (Wild Center)H-Index: 1
#2Jørgen E. Olesen (AMNH: American Museum of Natural History)H-Index: 91
Last. Jens T. Høeg (UCPH: University of Copenhagen)H-Index: 43
view all 5 authors...
: Androdioecy (co-existence of hermaphrodites and dwarf males) is a fascinating yet poorly understood phenomenon. The pedunculated barnacle Scalpellum scalpellum is an emerging model species for the system. In S. scalpellum, dwarf males and hermaphrodites are very different in adult morphology (e.g., in feeding structures and reproductive organs), but they share the same larval development with nauplii followed by cypris larvae. Recently, it was found that S. scalpellum cypris larvae display bot...
#1Richard M. Allen (MUN: Memorial University of Newfoundland)H-Index: 1
#2Anna Metaxas (Dal: Dalhousie University)H-Index: 31
Last. Paul V. R. Snelgrove (MUN: Memorial University of Newfoundland)H-Index: 45
view all 3 authors...
Marine animals with complex life cycles may move passively or actively for fertilization, dispersal, predator avoidance, resource acquisition, and migration, and over scales from micrometers to thousands of kilometers. This diversity has catalyzed idiosyncratic and unfocused research, creating unsound paradigms regarding the role of movement in ecology and evolution. The emerging movement ecology paradigm offers a framework to consolidate movement research independent of taxon, life-history stag...
#1Nathan J. Robinson (IPFW: Indiana University – Purdue University Fort Wayne)H-Index: 13
#2Christine Figgener (A&M: Texas A&M University)H-Index: 4
Last. Theodora Pinou (Western Connecticut State University)H-Index: 6
view all 8 authors...
Abstract The epibionts of marine megafauna can serve as valuable indicators of the host's health or behaviour; however, only a few studies have attempted to determine how and why epibiont communities vary between host individuals, populations, or even species. Further complicating efforts to compare epibiont communities of marine megafaunas is that measures of epibiont abundance and diversity may be influenced by the sampling methods and timing of the assessment. Here, we examined how host gende...
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