# Northern Stargazer vs Giant Water Bug vs Kakapo vs Etruscan Shrew: A Fish With Its Face on the Ceiling, a Bug That Drinks You Through a Straw, a Parrot That Forgot How to Fly, and a Mammal That Starves in Four Hours

> One buried fish, one insect with a taste for smoothies, one chunky flightless parrot, and the smallest mammal alive. Absolutely nothing in common. Let's rank them anyway.

By someone who loves to compare irrelevant things. Daily matchup.

## Contestants

### Northern Stargazer (Astroscopus guttatus)
Taxonomy: Actinopterygii > Uranoscopiformes > Uranoscopidae > Astroscopus > 
Lies in the sand staring at the sky, waiting to tase your ankle.
- WEIRD - Face Placement: Eyes and mouth on TOP, aimed up
- COOL - Built-in Taser: ~200-layer electric organ from eye muscles
- GROSS - Ambush Setup: Buries 3/4 of body in sand in seconds
Photo: Smithsonian Environmental Research Center (Robert Aguilar), CC BY 2.0 (Wikimedia Commons) - https://commons.wikimedia.org/wiki/File:Astroscopus_guttatus_(S0969)_(12638833085).jpg

### American Giant Water Bug (Toe-Biter) (Lethocerus americanus)
Taxonomy: Insecta > Hemiptera > Belostomatidae > Lethocerus > 
Orders every meal as a smoothie, including your toe.
- GROSS - Dining Method: Injects enzymes, sips you as slurry
- WEIRD - Bite Review: Toe-biter; reportedly hurts like hell
- COOL - Menu: Fish, frogs, snakes, baby turtles
Photo: ALauriston, CC BY-SA 4.0 (Wikimedia Commons) - https://commons.wikimedia.org/wiki/File:American_Giant_Water_Bug_(Lethocerus_americanus).jpg

### Kakapo (Strigops habroptila)
Taxonomy: Aves > Psittaciformes > Strigopidae > Strigops > 
Solved flight by declining to participate.
- COOL - Weight Class: Up to ~4 kg, heaviest parrot alive
- WEIRD - Defense Plan: Freeze and hope nobody smells you
- GROSS - Body Spray: Sweet musty odor that attracts predators
Photo: Department of Conservation (Chris Birmingham), New Zealand, CC BY 2.0 (Wikimedia Commons) - https://commons.wikimedia.org/wiki/File:Kakapo_Sirocco_1.jpg

### Etruscan Shrew (Suncus etruscus)
Taxonomy: Mammalia > Eulipotyphla > Soricidae > Suncus > 
Running the most stressful metabolism in the animal kingdom.
- COOL - Body Mass: ~1.8 g (about one paperclip)
- WEIRD - Heart Rate: Up to 1511 beats per minute
- GROSS - Starve Clock: ~4 hours without food = dead
Photo: Trebol-a, CC BY-SA 3.0 (Wikimedia Commons) - https://commons.wikimedia.org/wiki/File:Suncus_etruscus.jpg

Welcome back to the only publication brave enough to make a ray-finned fish, a true bug, a parrot, and a shrew stand in the same lineup and defend themselves. Today's contestants share zero habitat, zero body plan, and zero business being compared. Perfect. That is the whole job.

We judge on three things and three things only: how **cool**, how **weird**, and how **gross** each animal is. Then somebody gets a trophy and everybody else gets to be quietly furious about it. Let's meet the freaks.

## The Cool

The **Northern Stargazer** is playing a genuinely absurd hand. It has an electric organ that delivers a shock to stun prey and warn off anything bigger, built from roughly 200 stacked layers of electric tissue tucked behind its eyes. The best part: that organ evolved from modified eye muscles, which is a sentence no other electric fish gets to say. It also carries two venomous spines above its pectoral fins, just in case being an electrified sand trap was not enough.

The **Giant Water Bug** is a freshwater apex predator the size of your thumb. It ambushes and eats insects, snails, tadpoles, small fish, and frogs, and has been documented grabbing snakes and baby turtles. Punching that far above your weight class when your weight class is measured in grams is, frankly, cool.

The **Kakapo** solved the problem of flight by declining to participate. It is the world's heaviest parrot, with males hitting around 4 kg, and it is the only flightless parrot on Earth. It may also be the longest-lived bird, with estimates running from roughly 60 to 90 years. Every single living kakapo is named and radio-tagged, which makes them less like wildlife and more like a very slow-moving boy band.

The **Etruscan shrew** is the smallest mammal on the planet by mass. It weighs about 1.8 grams, roughly one paperclip, and it is about 20 times lighter than an average mouse. Being a fully functional warm-blooded mammal at that size is a genuine engineering flex.

## The Weird

The stargazer keeps its eyes, nostrils, gill slits, and most of its mouth on the TOP of its body, aimed straight up at the sky. Hence the romantic name. It is not gazing at stars, it is watching for a fish to swim overhead so it can inhale it.

The kakapo's entire defensive strategy is to freeze and hope. It has beautiful mossy-green camouflage and stays perfectly still when threatened, which worked great against native birds that hunt by sight and works catastrophically badly against introduced rats, stoats, and cats that hunt by smell. It is also nocturnal with an owl-like facial disc, because the genus name literally means owl-face.

The Etruscan shrew's numbers do not look real. Its heart can hit up to 1511 beats per minute, about 25 beats every second, and it breathes over 800 times a minute. The heart muscle alone is around 1.2 percent of its body weight. When cold or hungry it drops into torpor, letting its body temperature crash to about 12 C, then reheats by shivering roughly 58 times a second, and reportedly shrieks when jolted awake from that state.

The water bug, meanwhile, is a coward with a good publicist. Cornered on land, it would rather run or play dead before it raises its forelimbs in a threat pose. Its whole vibe is menacing until asked directly.

## The Gross

Here is where it gets moist. The **Giant Water Bug** does not chew. It stabs prey with a piercing beak, injects digestive enzymes that liquefy the victim from the inside, waits ten to fifteen minutes for the marinade to finish, and then sips the resulting slurry back out through the same straw. This is also why its nickname is the toe-biter: step on one and it will absolutely test that technique on your foot, an experience Scientific American describes, medically, as hurting like hell.

The **stargazer** buries about three-quarters of itself in sand within seconds, using its pectoral fins as shovels and comb-like fringes over its nostrils to keep the sand out, then lies there being a lumpy, upward-staring landmine until dinner arrives.

The **kakapo** smells strongly sweet and musty, a warm honey-and-flowers odor that people find delightful and that predators find delicious, which is a big reason a critically endangered parrot spent decades getting eaten in the dark.

And the **Etruscan shrew** lives on the edge of a metabolic cliff: it eats 1.5 to 2 times its own body weight every single day, and if it goes without food for only about four hours, it starves to death. It is the only contestant that could die during the time it takes you to read this post.

You know what they say: it is not the size of the animal in the fight, it is the size of the horrifying feeding mechanism in the animal.

## Winner: Northern Stargazer
The **Northern Stargazer** wins because it is the only contestant that maxes out all three categories at once. Cool: an electric organ built out of repurposed eye muscles, plus venom. Weird: it wears its own face on the ceiling. Gross: it lives buried in sand as a staring, electrified ambush pit. The Etruscan shrew ran the most stressful nervous system in the room and the water bug had the most upsetting table manners, but neither one shocks you AND poisons you AND stares at the sky from inside a sand grave. A fish that combined 'venomous,' 'electric,' and 'buried alive on purpose' was always going to beat a parrot whose signature move is standing very still.

## FAQ

### Can a giant water bug actually bite me?
Yes, and you will remember it. The toe-biter nickname is earned: if you step on or handle one it drives its piercing beak in and injects enzymes meant to dissolve prey. It is not usually dangerous to humans, just genuinely, memorably painful. Its Asian cousin Lethocerus indicus is also a popular deep-fried street food in Thailand, so the relationship can go either way.

### Is the Etruscan shrew really the smallest mammal?
By mass, yes. At about 1.8 grams it is the smallest mammal on Earth by weight, recognized by Guinness World Records. If you rank by length instead, Kitti's hog-nosed bat (the bumblebee bat) gives it a serious argument, but for pure lightweight-champion bragging rights the shrew takes it.

### Do stargazers really shock you AND poison you?
Both, via two separate systems. It has an electric organ behind its eyes that can deliver a stunning shock, and it carries two venomous spines above its pectoral fins. So it is electric and venomous and hiding under the sand. Maybe do not go barefoot poking at buried lumps on the Atlantic seafloor.

## Sources
- Northern Stargazer - Discover Fishes: https://www.floridamuseum.ufl.edu/discover-fish/species-profiles/northern-stargazer/
- Northern Stargazer field guide: https://www.chesapeakebay.net/discover/field-guide/entry/northern-stargazer
- Astroscopus guttatus: https://en.wikipedia.org/wiki/Astroscopus_guttatus
- Three Cheers for the Giant Water Bug: https://www.bellmuseum.umn.edu/blog/three-cheers-for-the-giant-water-bug/
- The Attack of the Giant Water Bug: https://www.scientificamerican.com/blog/artful-amoeba/the-attack-of-the-giant-water-bug/
- Lethocerus americanus: https://en.wikipedia.org/wiki/Lethocerus_americanus
- Kakapo: https://www.doc.govt.nz/nature/native-animals/birds/birds-a-z/kakapo/
- Kakapo: https://www.nzbirdsonline.org.nz/species/kakapo
- Etruscan shrew: https://en.wikipedia.org/wiki/Etruscan_shrew
- Smallest mammal (by mass): https://www.guinnessworldrecords.com/world-records/80867-smallest-mammal-on-land

Tags: Actinopterygii, Insecta, Aves, Mammalia, Uranoscopidae, Belostomatidae, Strigopidae, Soricidae, totally-random, cross-taxa, venomous, smallest-mammal

Canonical: https://lamalo.blog/northern-stargazer-vs-giant-water-bug-vs-kakapo-vs-etruscan-shrew