Johanna Kohler (@sharkjohanna) 's Twitter Profile
Johanna Kohler

@sharkjohanna

Marine biologist | shark ecology |
PhD candidate
Shark Research Officer at @doecayman

ID: 1682305376

calendar_today19-08-2013 04:00:20

39 Tweet

83 Followers

311 Following

Save Our Seas (@saveourseas) 's Twitter Profile Photo

Otter eats shark! We often speak about how many shark species regulate food webs from the top down, but this intriguing encounter highlights how many are actually somewhere in the middle, & often prey for something else! Read more at instagram.com/p/CBk7D3vl0bn/ Photos: Jacqui Smith

Otter eats shark!
We often speak about how many shark species regulate food webs from the top down, but this intriguing encounter highlights how many are actually somewhere in the middle, & often prey for something else!
Read more at instagram.com/p/CBk7D3vl0bn/

Photos: Jacqui Smith
Save Our Seas (@saveourseas) 's Twitter Profile Photo

Why are sharks important for our oceans? You'll often hear marine biologists & conservationists talk about how they 'keep things in balance', but what does this mean? We explore this topic a little further in these infographics & dive a little deeper: saveourseas.com/supersharks/

Why are sharks important for our oceans? You'll often hear marine biologists & conservationists talk about how they 'keep things in balance', but what does this mean? 
We explore this topic a little further in these infographics & dive a little deeper:
saveourseas.com/supersharks/
Cayman Islands Department of Environment (@doecayman) 's Twitter Profile Photo

Sharks are vital and help to keep the coral reef ecosystem and reef fish communities healthy, balanced, and thriving. The removal of sharks from the reef environment can lead to the degradation and smothering of the coral reef by algae. #sharkweek

Sharks are vital and help to keep the coral reef ecosystem and reef fish communities healthy, balanced, and thriving. The removal of sharks from the reef environment can lead to the degradation and smothering of the coral reef by algae. #sharkweek
Andy Cornish (@andycornishhk) 's Twitter Profile Photo

Red List assessments are the most powerful advocacy tool we have for better shark management. An incredible amount of work lies behind the 400+(!!!) assessments released today. We salute everyone involved, including their fearless leader Nicholas Dulvy. Colin Simpfendorfer

Cayman Islands Department of Environment (@doecayman) 's Twitter Profile Photo

DoE is happy to partner with Ocean Frontiers in East End, Grand Cayman hosting shark education seminars prior to diving in areas where they might see sharks. Topics: #AcousticTelemetry #BRUVS #research #SharkloggerNetwork #SharkPhotoID #community #Cayman #reefshark #sharks #DoE

DoE is happy to partner with Ocean Frontiers in East End, Grand Cayman hosting shark education seminars prior to diving in areas where they might see sharks. 
Topics: #AcousticTelemetry #BRUVS #research #SharkloggerNetwork #SharkPhotoID #community #Cayman #reefshark #sharks #DoE
Zach Randall (@zach__randall) 's Twitter Profile Photo

Fun doesn't end with this bonnethead #shark! One of the extra benefits of using a contrast enhancing agents (e.g., PTA) is a nicely captured external surface. You can see all the pores of the ampullae of Lorenzini. Scanned FLORIDA Florida Museum for the #oVertTCN.

Cayman Islands Department of Environment (@doecayman) 's Twitter Profile Photo

With a wingspan of 8ft, this rarely seen Chilean Devil #ray (Mobula tarapacana), was recently spotted by our DoE team working to slow the spread of Stony Coral Tissue Loss Disease (#SCTLD). This endangered ray is one of the deepest #diving animals on our planet (seen at 6,063ft).

With a wingspan of 8ft, this rarely seen Chilean Devil #ray (Mobula tarapacana), was recently spotted by our DoE team working to slow the spread of Stony Coral Tissue Loss Disease (#SCTLD). This endangered ray is one of the deepest #diving animals on our planet (seen at 6,063ft).
Cayman Islands Department of Environment (@doecayman) 's Twitter Profile Photo

#DoE Shark Project Officer Johanna Kohler visited Cayman Prep Year 6 students to talk about how sharks are tracked across the three islands. Schools can invite Johanna in to learn more about Cayman’s #SharkConservation efforts. Email [email protected]. #SharkWeek #CaymanIslands

#DoE Shark Project Officer Johanna Kohler visited Cayman Prep Year 6 students to talk about how sharks are tracked across the three islands. Schools can invite Johanna in to learn more about Cayman’s #SharkConservation efforts. Email doe@gov.ky. #SharkWeek #CaymanIslands
Cayman Islands Department of Environment (@doecayman) 's Twitter Profile Photo

The #DoE has an app! Search for ‘Cayman DoE’ in the app store and have the #MarineParksRules at your fingertips while you’re on the move. Know where you can go, and what is in season. Use the map in the app and identify your zone and your rules. #KnowTheRulesUseTheTools

The #DoE has an app! Search for ‘Cayman DoE’ in the app store and have the #MarineParksRules at your fingertips while you’re on the move. Know where you can go, and what is in season. Use the map in the app and identify your zone and your rules. #KnowTheRulesUseTheTools
Cayman Islands Department of Environment (@doecayman) 's Twitter Profile Photo

The removed fins of a nurse shark and 2 dead neonate reef sharks were found in #GrandCayman. It is ILLEGAL to kill, harm or possess a shark or any part of a shark in the #CaymanIslands. Report suspicious behaviour, ongoing crimes and dead shark sightings. Call 911 or 916-4271.

The removed fins of a nurse shark and 2 dead neonate reef sharks were found in #GrandCayman. It is ILLEGAL to kill, harm or possess a shark or any part of a shark in the #CaymanIslands. Report suspicious behaviour, ongoing crimes and dead shark sightings. Call 911 or 916-4271.
Cayman Islands Department of Environment (@doecayman) 's Twitter Profile Photo

In 2021 #DoE has received reports of 2 to 3 dead sharks/month on the Brac. 3 found in July. It is ILLEGAL to kill, harm or possess a shark or any part of a shark in the #CaymanIslands. Report suspicious behaviour, ongoing crimes and dead shark sightings. Call 911 or 916-4271.

In 2021 #DoE has received reports of 2 to 3 dead sharks/month on the Brac. 3 found in July. It is ILLEGAL to kill, harm or possess a shark or any part of a shark in the #CaymanIslands. Report suspicious behaviour, ongoing crimes and dead shark sightings. Call 911 or 916-4271.
Cayman Islands Department of Environment (@doecayman) 's Twitter Profile Photo

A dead dusky smooth hound shark (Mustelus canis) was found recently in #GrandCayman. This deep-water species was likely caught and killed accidentally. Reminder: it is ILLEGAL to fish sharks. Report suspicious behaviour, ongoing crimes, dead shark sightings. Call 911 or 916-4271.

A dead dusky smooth hound shark (Mustelus canis) was found recently in #GrandCayman. This deep-water species was likely caught and killed accidentally. Reminder: it is ILLEGAL to fish sharks. Report suspicious behaviour, ongoing crimes, dead shark sightings. Call 911 or 916-4271.
Cayman Islands Department of Environment (@doecayman) 's Twitter Profile Photo

Accidentally caught a shark? First, release it. Then remove the hook if possible/comfortable to do so OR cut the line as close to the hook as possible. Use non-stainless steel circle hooks. Avoid any additional injuries to the shark and handle it as little as possible.

Accidentally caught a shark? First, release it. Then remove the hook if possible/comfortable to do so OR cut the line as close to the hook as possible. Use non-stainless steel circle hooks. Avoid any additional injuries to the shark and handle it as little as possible.
Cayman Islands Department of Environment (@doecayman) 's Twitter Profile Photo

Many people have asked us what TNR is. Here's an explanation of how it works and why it's not a suitable solution for the feral cats on the Sister Islands.

Many people have asked us what TNR is.  Here's an explanation of how it works and why it's not a suitable solution for the feral cats on the Sister Islands.
Yannis Papastamatiou (@dr_yannis) 's Twitter Profile Photo

I am looking for a Masters degree student to work on a component of this project on the bioenergetics of coral reef predators. Please apply!

Cayman Islands Department of Environment (@doecayman) 's Twitter Profile Photo

#KnowYourSharks In Cayman 17 deep water shark species are recorded. The latest: a blurred lantern shark we recorded for the first time in Cayman and in the Caribbean Sea. We keep an updated list on our website doe.ky. #CaymanSharkWeek2023 #ProtectWhatYouLove