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The Ichthyosaur (taxonomic designation: Xenotherus icthycanthus, or "Spined Alien Fish Beast") is an alien species transported to Earth from the Border World, Xen. Prominently featured in Half-Life and its expansions. It has a small cameo at the start of Half-Life 2.
Although the in-game creature is named after the extinct marine reptile group, the Ichthyosaurs, it resembles them only in its carnivorous ecology and its general size. When the Ichthyosaur is first encountered in the Half-Life chapter Apprehension, a scientist remarks that while he has been told it was hauled from the Challenger Deep in the Pacific Ocean, he believes that the creature never swam in terrestrial waters until a week before. This is possibly the time of its arrival at the Black Mesa Research Facility, the creature being likely from Xen. However, there is evidence that Ichthyosaur specimens were kept for observation, as seen in Opposing Force.
In Half-Life, Ichthyosaurs are encountered in several water bodies, including a flooded laboratory, the reservoir behind a hydroelectric dam, the sewage areas, and one of Nihilanth's chambers. They are often placid at first, but quickly become hostile, especially should the player take action against them. The speed and viciousness of the Ichthyosaur combined with poor underwater visibility make the underwater areas of Half-Life some of the most frightening parts of the game.
The Ichthyosaur also makes a single appearance in Half-Life 2. During a teleport malfunction ("harmonic reflux"), Gordon Freeman is momentarily transported outside of City 17, in midair. He looks down, and falls into the ocean. Underwater, he is almost swallowed whole by an Ichthyosaur before being transported elsewhere. Although this encounter is scripted, when an Ichthyosaur is spawned using console commands or a mod such as Garry's Mod it also attacks the player in the same manner.
Behind the scenesEdit
- The Ichthyosaur was originally referred to as "Muddy."
- Strong art direction and clear goals were set for the Ichthyosaur from the start, but the AI proved to be very complicated because of the size of the creature and how different it was from the more common game monsters of that time.
- The Ichthyosaur was to appear more prominently in Half-Life 2, such as in the the Coast levels where it was to fulfill the role of keeping the player from venturing too far into the ocean. However, this was eventually replaced by the Leech, and there is no Ichthyosaur encountered at the lake in the start of Ravenholm. Its only appearance is in the recycled Ravenholm lake seen during the teleportation failure at the start of the game.
- The Ichthyosaur can be encountered in the playable Half-Life 2 Beta in several coastline maps (such as "
d2_coast_02," among others), where it takes the role of the Leech, i.e., keeping the player from venturing too far into the ocean. If the player swims out too far from the land, an Ichthyosaur can be heard and a few seconds later the player dies, while the creature cannot be seen. Interestingly, the Ichthyosaur sounds are named "ping1.wav" and "ping2.wav." This could suggest that the Ichthyosaur detects its prey in a manner similar to sonar.
- In the playable Half-Life 2 Beta texture folder for the Bullsquid can be found a texture file called NewBullsquidSheet.vtf, which is actually an alternate skin for the Ichthyosaur. It is also signed by Ted Backman and dated 2003, in his stylized signature.
- In the WC mappack "marc" folder (referring to series' writer Marc Laidlaw) can be found a map named "
ickypop.vmf." Based on an old version of the Ravenholm docks where an Ichthyosaur was to be found, the map consists of a surreal/nonsense sequence: Three Zombies are standing on a wooden bridge in the middle of a small pond. Then an Ichthyosaur jumps from the water and passes above the bridge, killing the Zombies and partially destroying the bridge while doing so. The Ichthyosaur returns to the water, then jumps out of it again and starts flying, excreting gibs while moving higher and higher to the end of the map, to crash in an explosion behind a small cliff. (The creature also does its whale-like sound while crashing.) Above the rocks, right above where the Ichthyosaur has crashed, the G-Man can be seen held in mid-air by a flying crow, who starts fixing his tie in a loop after the creature has crashed. While only the Ichthyosaur's tail can be seen under, it starts eructing an orange gas at the G-Man. The sequence is accompanied by two instrumental tracks, one mysterious (that plays through the all sequence in a loop), another faster-paced (that plays only when the Ichthyosaur first appears), found in the folder "/scripted/stinger/" in the playable Half-Life 2 Beta sound files. They were taken from the Aliens soundtrack (dialogues from the film to be used for the maps "
aliens_test" and "
testroom_ripley" can also be found in the sound files). After that everything remains the same in a loop. This recalls the scene at the start of the Half-Life 2 chapter Anticitizen One during which the G-Man can be seen on a television screen with a crow on his shoulder. "Ickypop" may be a test map for that sequence.
- When killed in Half-Life 2, they freeze because of having no death animation nor a physics model.
- It is possible to lure the Ichthyosaur out of the water in Half Life.
- If the Ichthyosaur is killed in Half-Life (GoldSrc version), the player can stand on its body as the body is solid. However, one should avoid to jump on the body if the player falls from great height as this can injure or kill the player.
- The Half-life 2 version of the Ichthyosaur appears in the mod Black Mesa Source; it has fixed waypoints and animations.
- The auto-aim cannot locate the Ichthyosaur when it is fully underwater when the player is outside the water. This is possibly done to prevent cheating.
List of appearancesEdit
- Half-Life (First appearance)
- Half-Life: Opposing Force
- Half-Life 2 (Cinematic only)
- Half-Life 2: Episode One (Game files only) (Non-canonical appearance)
- Half-Life 2: Episode Two (Game files only) (Non-canonical appearance)
|Creatures||Alien Aircraft · Alien Controller · Alien Grunt · Barnacle · Boid · Bullsquid · Chumtoad · Gargantua · Headcrab · Houndeye · Ichthyosaur · Leech · Nihilanth · Protozoan · Snark · Tentacle · Vortigaunt|
|Headcrabs||Headcrab · Fast Headcrab · Gonarch · Lamarr · Poison Headcrab · Standard Headcrab · Headcrab Shell|
|Zombies||Zombie · Fast Zombie · Gonome · Poison Zombie · Standard Zombie · Zombine|
|Vortigaunts||Vortigaunt · Vortigese · All-Knowing Vortigaunt · R-4913 and X-8973 · Sweepy · Uriah · Victory Mine Vortigaunt · Vortigaunt Camp · Vortigaunt Shepherd|
|Flora and minerals||Crystal · Fungus · Healing Pool · Light Stalk · Trampoline · Tree|
|Weapons||Ceiling Turret · Hivehand · Sentry Cannon · Snark · Snark Mine|
|Technology||Healing Shower · Thumper|
|Creatures (cut)||Archer · Charger · Fast Walker · Flocking Floater · Kingpin · Mr. Friendly · Panther Eye · Sand Barnacle · Snapbug · Stukabat|
|Weapons (cut)||Black Hole Gun|