Plainfin midshipman fish (photo credit: Theresa Warriner)

Plainfin midshipman fish (photo credit: Theresa Warriner)

A brood of juvenile plainfin midshipman fish, approximately 2 months old, still attached to the nest surface via their yolk sacs (almost fully absorbed by now).

A brood of juvenile plainfin midshipman fish, approximately 2 months old, still attached to the nest surface via their yolk sacs (almost fully absorbed by now).

Overturning an intertidal rock to uncover a plainfin midshipman nest with eggs. Photo taken from the “fish’s perspective”.

Overturning an intertidal rock to uncover a plainfin midshipman nest with eggs. Photo taken from the “fish’s perspective”.

Working in Lake Tanganyika, Zambia (photo credit: Holger Zimmermann)

Working in Lake Tanganyika, Zambia (photo credit: Holger Zimmermann)

Garibaldi Provincial Park, British Columbia, Canada (photo credit: Nick Luymes)

Garibaldi Provincial Park, British Columbia, Canada (photo credit: Nick Luymes)

Ochre sea stars (Pisaster ochraceus) in British Columbia, Canada (photo credit: Aneesh Bose)

Ochre sea stars (Pisaster ochraceus) in British Columbia, Canada (photo credit: Aneesh Bose)

Taking water measurements in an inlet in British Columbia, Canada (photo credit: Aneesh Bose)

Taking water measurements in an inlet in British Columbia, Canada (photo credit: Aneesh Bose)

Red rock crab (Cancer productus)

Red rock crab (Cancer productus)

Cuttlefish during night dive in Corsica (photo credit: Aneesh Bose)

Cuttlefish during night dive in Corsica (photo credit: Aneesh Bose)

Synodontid catfish in Lake Tanganyika, Zambia (photo credit: Aneesh Bose)

Synodontid catfish in Lake Tanganyika, Zambia (photo credit: Aneesh Bose)

Plainfin midshipman fish (photo credit: Aneesh Bose)

Plainfin midshipman fish (photo credit: Aneesh Bose)

Holding a tile with plainfin midshipman eggs at an intertidal zone in British Columbia, Canada (photo credit: Shyamal Bose)

Holding a tile with plainfin midshipman eggs at an intertidal zone in British Columbia, Canada (photo credit: Shyamal Bose)

Male plainfin midshipman fish in the wild within his nest. Eggs are adhered to the nest roof (the underside of a large intertidal rock). (photo credit: Aneesh Bose)

Male plainfin midshipman fish in the wild within his nest. Eggs are adhered to the nest roof (the underside of a large intertidal rock). (photo credit: Aneesh Bose)

Lake Tanganyika, Zambia (photo credit: Holger Zimmermann)

Lake Tanganyika, Zambia (photo credit: Holger Zimmermann)

Working during a freshwater jellyfish bloom in Lake Tanganyika, Zambia (photo credit: Holger Zimmermann)

Working during a freshwater jellyfish bloom in Lake Tanganyika, Zambia (photo credit: Holger Zimmermann)

Plainfin midshipman fish eggs on a tile in an intertidal zone in British Columbia (photo credit: Aneesh Bose)

Plainfin midshipman fish eggs on a tile in an intertidal zone in British Columbia (photo credit: Aneesh Bose)

Meeting barracuda during field work in Corsica (photo credit: Aneesh Bose)

Meeting barracuda during field work in Corsica (photo credit: Aneesh Bose)

Meeting barracuda during field work in Corsica (photo credit: Aneesh Bose)

Meeting barracuda during field work in Corsica (photo credit: Aneesh Bose)

Neolamprologus caudopunctatus from Lake Tanganyika, Zambia (photo credit: Aneesh Bose)

Neolamprologus caudopunctatus from Lake Tanganyika, Zambia (photo credit: Aneesh Bose)

Neolamprologus pulcher in Lake Tanganyika, Zambia (photo credit: Aneesh Bose)

Neolamprologus pulcher in Lake Tanganyika, Zambia (photo credit: Aneesh Bose)

North Sea critters caught while on board the Uthörn research vessel (owned by the Alfred Wegener Institute, Germany). (photo credit: Aneesh Bose)

North Sea critters caught while on board the Uthörn research vessel (owned by the Alfred Wegener Institute, Germany). (photo credit: Aneesh Bose)