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Helostoma temminckii


Helostoma temminckii
Kissing Gourami
接吻鱼
Kissing gouramis are popular with aquarists for the fish's peculiar "kissing" behavior of other fish, plants, and other objects. Kissers of both sexes will often spar by meeting mouths and pushing each other through the water. Kissing gouramis need a roomy tank in order to thrive; they grow rapidly, and juvenile fish will quickly outgrow smaller aquaria. Kissing gouramis are territorial, some are tolerant towards fish of similar size, but others will bully, chase and torment causing significant stress on tank mates. Male kissers will occasionally challenge each other; however, the "kissing" itself is never fatal but the constant bullying can stress the other fish to death. They often do in fact kill other fish by sucking their 'fish slime' (mucus) off of their skin as food, which opens the victim fish up to infections. These fish may be useful as algae eaters to control algae growth. To prevent digging and to present enough surface area for algae growth, the substrate should consist of large-diameter gravel and stones. The aquarium's back glass should not be cleaned during regular maintenance, as the gouramis will feed on the algae grown there. Most plants will not survive the fish's grazing, so inedible plants such as Java fern, Java moss, or plastic plants are recommended.
These fish are omnivorous and need both plant and animal matter in its diet. The fish will accept vegetables such as cooked lettuce and any kind of live food. Water hardness should be between 5–30°dGH and pH between 6.8–8.0; the temperature should be between 22–28 °C. When breeding kissing gouramis, soft water is preferred. As the fish do not build a nest, lettuce leaves placed on the water surface serve as a spawning medium. The lettuce will eventually host bacteria and infusoria which the fish will feed upon. The maximum length for Kissing gouramis in aquariums is between 20 to 30 cm 


接吻鱼最使人感兴趣是在两条鱼彼此相遇时,便两嘴相对,互相作接吻姿态,故而得名。接吻鱼接吻的时间长短不一,但次数相当频繁,这在鱼类世界中也是一种罕见的现象。至于接吻鱼为什么有这种奇特的习性,众说不一。一些饲养者认为,接吻鱼的接吻动作是雄接吻鱼与雌接吻鱼的示爱 接吻鱼行为。但人们还发现,接吻现象并不只限于雄接吻鱼和雌接吻鱼之间,在同性之间都有接吻现象。只要有两条鱼共同饲养在一起,不论同是雌性的,还同是雄性的,它们也要接吻。即使是只有一条鱼的情况下,它也要向着水草上的青苔或鱼箱玻璃上的青苔不断地吸吮,乱碰乱撞,表现出接吻的样子。由此可见、接吻鱼的接吻并不是相爱的动作。这种行为并非调情、打架,而只是它们的一种“口癖”,是一种习性。此外,还有人认为接吻鱼接吻是它们彼此吸吮对方嘴上的青苔。不过,对于上述的各种解释,其实似乎还都不能令人满意。因此对接吻鱼的这一奇特现象,还需要通过实验观察进行进一步的研究,才能揭开其中的奥秘。
  当两条接吻鱼相遇时,双方都会不约而同地伸出生有许多锯齿的长嘴唇,用力地相互碰在一起,如同情人“接吻”一般,长时间不分开。不过,这种“热吻”并不是“求爱”,而是在打斗。由于接吻鱼具有保卫“领地”的习性,两者相遇时,用长嘴唇相斗来解决“领地”争端,直到有一方退却让步,“接吻”才宣告结束。
  两鱼相见时就像两只吸盘牢牢吸附,可以整整一下午都保持接吻的动作,用力地接触,丝毫不顾及周围环境的影响。可不要以为这是它们情人之间的情深款款,其实这是一种争斗的现象,是在为了保卫自己的空间领域而战斗!但这种争斗并不激烈,只要一方退却让步,胜利者并不会继续穷追猛打,而是继续埋头它的清洁工作,似乎什么也没有发生过。所以,它们温和的习性不会对其他任何鱼类构成威胁,因而适宜于混合饲养
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