Scientists Film Hagfish Anti-shark Slime Weapon

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Scientists Film Hagfish Anti-shark Slime Weapon

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[Scientists Film Hagfish Anti-shark Slime Weapon]

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Video unit free-falling

Bait bag

GILL – CLOGGING SLIME
SECRETION IN HAGFISHES
A DEFENCE MECHANISM AGAINST PREDATION

BAITED UNDERWATER VIDEO DEPLOYED
OFF NEW ZEALAND COAST
(2009 & 2010)

Great Barrier Island, NEW ZEALAND Depth: 681 m

Eptatretus cirrhatus
(Forster in Bloch & Schneider, 1801)

Play back speed 0.5x

Great Barrier Island, NEW ZEALAND Depth: 671 m

Three Kings Islands, NEW ZEALAND Depth: 721 m

Genypterus blacodes
(Forster in Bloch & Schneider, 1801)

Three Kings Islands, NEW ZEALAND Depth: 721 m

Squalus griffini Philipps, 1931

Three Kings Islands, NEW ZEALAND Depth: 499 m

Cirrhigaleus australis
White, Last & Stevens, 2007

Three Kings Islands, NEW ZEALAND Depth: 287 m

Polyprion americanus (Bloch & Schneider, 1801)

Three Kings Islands, NEW ZEALAND Depth: 344 m

P. americanus

165 VIDEO DEPLOYMENTS HAVE BEEN
ACHIEVED TO DATE

14 ATTEMPTS TO PREY ON HAGFISHES BY
VARIOUS PREDATORS HAVE BEEN OBSERVED

NONE SUCESSFULLY RESULTED
IN PREDATION

HAGFISH PREDATORY BEHAVIOUR AND
SLIME DEFENCE MECHANISM

SUPPLEMENTARY VIDEO S2

Depth:97m Temp: 14.1°C

First Neomyxine sp.1 appearing after 31 minutes

Hagfish active y searching the sediment

Cepola haastii

Neomyxine sp.1 going inside
a burrow of C. haastii

Cepola haastii confirmed

Being hunted by Neomyxine sp.1 in its burrow

For the first minute, S-shaped spasms
of muscular activity were observed on the
posterior part of the hagfish.

This was followed by one minute
of relaxation, the posterior part of the body
lying on the bottom with very little movement.

Then knotting occurred.

Neomyxine sp.1 successfully
captured C. haastii

The University of Western Australia
Achieve International Excellence

TE PAPA

MASSEY UNIVERSITY

Support:
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Scientists Film Hagfish Anti-shark Slime Weapon

Scientists Film Hagfish Anti-shark Slime Weapon

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Massey.ac.nz
Youtube.com/user/masseyuniversity

Scientists Film Hagfish Anti-shark Slime Weapon. 14 ATTEMPTS TO PREY ON HAGFISHES BY VARIOUS PREDATORS HAVE BEEN OBSERVED. Complete Full Transcript, Dialogue, Remarks, Saying, Quotes, Words And Text.

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