What are you doing next Sunday? Diving against debris, that’s what!

Hi Friends! I want to remind you that KHD is hosting its first Dive Against Debris® event next Sunday, May 7th, and we still need volunteers! Read on for information on the Dive Against Debris program and participation details. What is Dive Against Debris? What is Dive Against Debris (DAD), exactly? DAD is a citizen-science …

Black Water: Squid

Most squid, Sthenoteuthis included, have less than a year to be born, grow, and reproduce before they expire.  This translates into an incredibly high metabolism. Young squid in captivity can eat nearly half their body weight five times per day 2.5 times their body weight per day! That would be like me eating 450lbs of food! …

Nudibranchs

Nudibranch (pronounced noodabrank) means “naked gill”.  This refers to the gill-like appendages sticking out of the backs of most nudibranchs and is the organ that allows them to breath.  Most nudibranchs also have appendages called rhinophores, usually located at the head.  These have scent receptors and are used to taste, smell, and navigate.  Most nudibranchs …

Black Water: Beroe

Meet the Beroe This week we celebrate the genus of ctenophores known as Beroe.  Ctenophores as a group all move by coordinating rows of beating cilia.  They occupy all marine ecosystems, can be quite large and their beauty will entrance even seasoned blackwater divers.  They have limited few rudimentary senses and no central nervous system. …

Black Water: Salp

A single salp oozoid that will never get laid. Salps are the most common organism in the epipelagic environment and thus, far and away the most common animals we see on a blackwater.  Unlike most of the blackwater inhabitants, salps, aka tunicates or sea squirts, share our Phylum chordata.  That means that at some point …