🎅 Christmas GIVEAWAY!
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#sharkconservation#savingsharks#sharkrescue#sharks
#entanglement report❗️
Repost from Instagram: @OceanRamsey
Tiger shark (Galeocerdo cuvier) discovered dragging 300 feet of line attached to a jug off Oahu, Hawaii 🌎
Process known as 'jugging' which is a practice done by fishermen to deter predators from target fishing areas🎣
Chain Catshark baby (Scyliorhinus retifer). Ventro-lateral view of the umbilical cord-like connection to the yolk sac. Gill filaments are sprouting through the gill slits, even through the spiracle opening behind the eye! #devbio#shark#babyshark@Ella_Nicklin@UF_CLAS 🦈
Female-only refuging aggregations occur regularly in this species and probably arise from the
avoidance of males.
Source: Jacoby DM, Croft DP & Sims DW (2012). Social behaviour in sharks and rays: analysis, patterns and implications for conservation. Fish and Fisheries, 13(4)
Did you see the color change? Scientists can use the Bradford assay to measure the concentration of total protein present in a sample. As proteins bind to the dye, the color changes to blue. However, if there is no protein to bind, the solution will remain brown.#science#protein
As of today and until the end of 2021, landings of all mako sharks captured in the Atlantic (north of 5°N) are prohibited in Portugal.
https://t.co/UitkLFhLfY
Catshark eggs are translucid. You can see the yolk and the embryo which allows scientists to observe their development via non-invasive methods. Indeed, 7 developmental stages have been identified to follow the embryogenic process (Musa et al, 2018).
#sharkeggs#sharkrescue