Field Frame Friday: Deep breath in!

Unlike human nostrils which remain open at all times, the relaxed nostril position for pinnipeds is in a closed position. Like this harbor seal (Phoca vitulina) they voluntarily open them when at the surface of the water to sniff or breathe. [Photo and caption by Karli Chudeau] Reference Berta, A., Sumich, J.L., & Kovacs, K.M….

Sunday Sketch: Yeti Crab

The abominable snowman has been found hanging out at the bottom of the ocean in the Antarctic! The Yeti crab (Kiwa hirsuta) was discovered in 2005 as a new genus and new species that hangs out near hydrothermal vents of the Pacific-Antarctic Ridge. Named for their very hairy claws, scientists speculate that these blind decapods…

Field Frame Friday: Be a courteous neighbor, and look but don’t touch.

[Photo by Nick Chudeau; Caption by Karli Chudeau] Reference Dearden, P., Theberge, & M., Yasué, M. (2010). Using underwater cameras to assess the effects of snorkeler and SCUBA diver presence on coral reef fish abundance, family richness, and species composition. Environmental Monitoring and Assessment, 163(1-4), 531-538.

Sunday Sketch: Christmas Tree Worm

Oh Christmas tree (worm), oh Christmas tree (worm), how functional are your branches! Christmas tree worms (Spirobranchus giganteus), found throughout the tropical waters in the Indo-Pacific and Caribbean, are segmented worms that inhabit coral reefs. They use their colored, spiral fans (that give them their festive name) for feeding and respiration. When threatened, they can…