It's about one-tenth as heavy as The Tongue of a Blue Whale.
In other words, 404 kilograms is 0.150 times the weight of The Tongue of a Blue Whale, and the weight of The Tongue of a Blue Whale is 6.70 times that amount.(Balaenoptera musculus) (adult)
The tongue of a Blue Whale can weigh up to 2,700 kilograms. Despite their tremendous size, blue whales feed almost exclusively on tiny crustaceans called krill and cannot swallow anything much larger than a beach ball.
It's about eight times as heavy as an Octopus.
In other words, 404 kilograms is 8.10 times the weight of an Octopus, and the weight of an Octopus is 0.120 times that amount.(for Giant Pacific Octopus, Enteroctopus) (Adult, average)
The adult North Pacific Giant Octopus usually weighs around 50 kg. It is the largest octopus species and is known for its considerable intelligence, including the ability to open jars, solve mazes, and mimic other octopuses.
It's about one-tenth as heavy as a Hippopotamus.
In other words, 404 kilograms is 0.1080 times the weight of a Hippopotamus, and the weight of a Hippopotamus is 9.260 times that amount.(Hippopotamus amphibius) (adult, male)
The average weight of an adult male hippopotamus ranges from 3,000 to 4,500 kg. Appearances to the contrary, adult hippos cannot swim or float in water; they actually move by leaping and walking across lake bottoms at about 8 kph (5 mph).
It's about nine-and-a-half times as heavy as a Toilet.
In other words, 404 kilograms is 9.270 times the weight of a Toilet, and the weight of a Toilet is 0.1080 times that amount.(KOHLER Round front sitting flush toilet, model #K-11471-0)
The weight of a typical round front sitting flush toilet is 43.6 kg. The Indian town of Musiri in Tamil Nadu state features the world's only paying toilet, which rewards its users up to 10¢ Indian (10 paisas) per visit and uses the waste for compost and fertilizer.
It's about thirteen-and-a-half times as heavy as a Dalmatian.
In other words, the weight of a Dalmatian is 0.073 times 404 kilograms.(a.k.a. Dalmatinac, a.k.a. Carriage Dog, a.k.a. Spotted Coach Dog, a.k.a. Firehouse Dog) (FCI standard; male)
The Fédération Cynologique Internationale (FCI) calls for Dalmatians to weigh between 27 and 32 kg. The association of the breed with fire departments (and similarly with Budweiser Beer and its team of Clydesdales) stems from their affinity for horses, having been used historically as carriage dogs capable of guiding horse-drawn fire engines to the sites of blazes.
It's about one-fifteenth as heavy as an Elephant.
In other words, the weight of an Elephant is 15 times 404 kilograms.(for African bush elephant, Loxodonta africana) (Adult, bull)
A bull African bush elephant weighs about 6,100 kg. Among African elephants, both males and females have tusks (whereas female Asian elephants, Elephas maximus, do not have tusks) which can grow to 3 m (10 ft) and weigh up to 90 kg.
It's about one-fifteenth as heavy as a Tyrannosaurus rex.
In other words, the weight of a Tyrannosaurus rex is 16 times 404 kilograms.(for FMNH PR2081, a.k.a. "Sue") (a.k.a. Tyrannosaurus, a.k.a. T-Rex) (estimated live weight)
The notable Tyrannosaurus specimen housed at the Field Museum of Natural History in Chicago, Illinois, "Sue," is estimated to have weighed about 6,400 kilograms while alive. A renowned predator in popular culture, the teeth of tyrannosaurus rex were up to 33.02 cm (13 in) long.