GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) two breeding males displaying. Spencer Gulf, South Australia
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) breeding male guarding egg-laying female (just visible under his arms). Spencer Gulf, Whyalla, South Australia.
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) two breeding males posturing. Spencer Gulf, Whyalla, South Australia.
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) male shielding egg-laying female from rival male. Spencer Gulf, Whyalla, South Australia
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) mating. Spencer Gulf, Whyalla, South Australia
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama), male guarding egg-laying female. Spencer Gulf, Whyalla, South Australia
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) males in display combat over a small egg-laying female (in background). Spencer Gulf, Whyalla, South Australia
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) large male repelling a 'sneaker' male: a small male disguising himself as female to get past the large male guarding the egg-laying female. (Female bottom frame). Spence...
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) male guarding egg-laying female. Spencer Gulf, Whyalla, South Australia
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GEORGETTE DOUWMA / Two giant cuttlefish (Sepia apama) males in display combat over a female. Spencer Gulf, Whyalla, South Australia
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) male warning off another male by pulsing dark stripes across its body. Spencer Gulf, Whyalla, South Australia
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) breeding males posturing. Spencer Gulf, Whyalla, South Australia
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) pair mating. Spencer Gulf, Whyalla, South Australia
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) male. Spencer Gulf, Whyalla, South Australia
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GEORGETTE DOUWMA / Two giant cuttlefish (Sepia apama) males in display combat over an egg-laying female. Spencer Gulf, Whyalla, South Australia
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) male guarding egg-laying female. Spencer Gulf, Whyalla, South Australia
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) male guarding female resting between bursts of egg-laying. A rival male is in the background. Spencer Gulf, Whyalla, South Australia
GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) males displaying while guarding their females to ward off other males, Spencer Gulf, Wayalla, South Australia. The female they are fighting over is actually decapitated...
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) male camouflaged next to rock with algae, keeping an eye on the female in the background. Spencer Gulf, Wayalla, South Australia.
GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) male at rest. Spencer Gulf, Wayalla, South Australia.
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) in display combat when mate-guarding males get too close to each other: pulsing dark stripes along their bodies. These ritualised displays are usually enough to deter we...
GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) males displaying while guarding their females to ward off other males, Spencer Gulf, Wayalla, South Australia.
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama), large battle scarred male preventing an intruding male from approaching an egg-laying female, who has now been joined by a third male. Spencer Gulf, Wayalla, South Aust...
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) males displaying while guarding their females to ward off other males, Spencer Gulf, Wayalla, South Australia.
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) males displaying while guarding their females to ward off other males, Spencer Gulf, Wayalla, South Australia.
GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) mating. The large male in the foreground is with a very small female. Spencer Gulf, Wayalla, South Australia.
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GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama), male guarding a small female. Spencer Gulf, Wayalla, South Australia.
