Are there black platys?

Can platy fish live in Hong Kong?

Originally, the two main species of platy fish liked in Central America and North America, spreading as far as Belize and Mexico. However, thanks to humans and hobby aquarists, they can now be found all over the world, provided they have the right tank conditions, including Australia and Hong Kong.

Where does the southern platyfish live?

The southern platyfish X. maculatus is a small, popular ornamental freshwater fish that occurs as an introduced species in the aquatic habitats of at least 18 countries, principally because of human-mediated translocation and release. X. … More… Don’t need the entire report?

What kind of fish do they eat in Hong Kong?

The commercially important marine species are bigeye, golden thread, croaker, horse-head and pomfret. The total capture fisheries and marine fish culture production is equivalent to about 31% of seafood consumed in Hong Kong, while pond fish farmers produce about 6% of the freshwater fish eaten.

What would happen if Hong Kong people chose sustainable seafood?

If the majority of Hong Kong people chose sustainable seafood, the effect would be significant. Per-capita speaking, Hong Kong ranks second in terms of seafood consumption in Asia, and is the world’s eighth-largest seafood consumer. Each of us consumed 66.5 kg of seafood on average in 2017, which is more than three times the global average.

Where do freshwater fish live in Hong Kong?

Hong Kong ‘s rivers and streams have quite a wide range of freshwater habitats that are suited to freshwater fishes, such as upland hill streams, lowland streams, estuaries and marshes.

How much fish can be transported on land in Hong Kong?

It is also stipulated that except with a permit issued by the Director of Marketing (whose office is presently held by the Director of Agriculture, Fisheries and Conservation), no fresh marine fish shall be transported on land or in the waters of Hong Kong in quantities in excess of 60 kg.

What is the difference between male and female platys?

Often, the different colorations were due to their natural habitat. There are small size differences between the different species. Female Southern platy fish reach up to 2.5 inches in length, while the variable platy reaches three inches. Males are always slightly smaller than females.

What is a southern platyfish?

The southern platyfish X. maculatus is a small, popular ornamental freshwater fish that occurs as an introduced species in the aquatic habitats of at least 18 countries, principally because of human-mediated translocation and release.

What is the scientific name of platyfish?

The southern platyfish is commonly known simply as the platy (pl. platys or platies), from the fish’s original generic name, Platypoecilus.

Can you fish in Hong Kong?

In Hong Kong there are 17 fresh-water reservoirs where people may fish. Within these reservoirs there are silver, mud and wild carp, plus bass, big head, tilapia, and edible goldfish. The reservoirs are open from 1 September to 31 March.

How many fishing vessels are there in Hong Kong?

The industry now consists of some 4,150 fishing vessels and some 9,200 fishermen working abroad and provides employment in ancillary sectors servicing the fishing industry, such as fish wholesale and retail marketing, fuel and fishing gear supply and ice manufacturing There are 26 designated marine fish culture zones in Hong Kong.

What is the aquaculture industry like in Hong Kong?

In Hong Kong aquaculture includes marine fish culture, pond fish culture and oyster culture. In 2020 production from the aquaculture sector was 3,322 tonnes valued at $127 million which was 3 per cent in weight and 4 per cent in value of the total fisheries production.

How many marine fish culture zones are there in Hong Kong?

There are 26 designated marine fish culture zones in Hong Kong. Fishermen required to obtain license to operate fish farms inside those zones. The 26 fish culture zones are:

How much seafood is produced in Hong Kong’s fishing industry?

The total capture fisheries and marine fish culture production is equivalent to about 18 per cent of seafood consumed in Hong Kong, while pond fish farmers produce about four per cent of the freshwater fish eaten. Hong Kong’s fishing fleet comprises about 5 050 vessels, almost all of which are mechanised.

What is the value of aquaculture in Hong Kong?

Aquaculture includes marine fish culture, pond fish culture and oyster culture. In 2005 production from the aquaculture sector was 3,725 tonnes valued at HK$120 million which was 2. 2 per cent in weight and 6. 7 per cent in value of the total fisheries production.

Why are reefs overfished in the South China Sea?

The live fish trade has overfished most reefs in the South China Sea to satisfy demand for large rare fish like the Napoleon wrasse (endangered). [71. “Marine protected areas for sustainable fisheries: Layang Layang reef as a source of larvae in the South China Sea.”

How many fish are raised in aquaculture?

Because of the multitude of issues with wild-caught fish populations, there is an increase in aquaculture, or fish farms. It’s expected that from now on half of the fish consumed in the world will come from aquaculture. More than 50 million tonnes of fish and seafood are already bred in freshwater and ocean hatcheries . [51.

Are Fisheries Sustainable or not?

In general, we have called fisheries “sustainable” or “unsustainable” according to the United Nations FAO’s conclusions on which fisheries are overexploited and which are not. Overfishing, if persistent, generally leads to a stock being overfished and thus, overexploited.

What is fish farming and why is it growing?

Because of the multitude of issues with wild-caught fish populations, there is an increase in aquaculture, or fish farms. It’s expected that from now on half of the fish consumed in the world will come from aquaculture. More than 50 million tonnes of fish and seafood are already bred in freshwater and ocean hatcheries .

Will aquaculture continue to consume the majority of fish meal and oil?

Unless alternative higher value markets develop, aquaculture will continue to consume the majority of fish meal and oil produced but this will not be sufficient to meet ever-increasing demands for aquafeed ingredients (figures 9​9​–12). Open in a separate window Figure 9.

What happens when one fish species declines?

If one species declines, fisheries expand their fishing areas and efforts or simply target another species. Global fishing needs to be reduced by about 50 percent to make fisheries more economical and allow fish populations to be sustainable.

What kind of fish are there in Hong Kong?

Freshwater fish inhabit most Hong Kong watercourses, from swift flowing hill streams to trickling lowland rivers and estuaries, as well as artificial habitats like reservoirs, fishponds and agricultural wetlands. There are 193 freshwater fish species here, mainly from the families named Cyprinidae, Gobiidae, Cobitidae and Cichlidae.