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앱 열기설명
Cheirodon pisciculus, commonly known as Pocha, is a small, freshwater characin endemic to Chile. It is characterized by its slender body, silvery coloration, and a distinct dark lateral stripe. This species plays a significant ecological role in its native aquatic ecosystems as both a prey item and a consumer of small invertebrates and algae. While not a prominent aquarium fish globally, it is sometimes kept by local enthusiasts. Its conservation status is generally stable, but localized populations can be affected by habitat degradation.
신체적 특징
- 몸체 형태
- elongated
- 색상
- Overall silvery to translucent body with a prominent dark, often iridescent, lateral stripe extending from the operculum to the caudal peduncle. Fins are typically hyaline (clear) or faintly yellowish. Some individuals may exhibit a reddish tint on the caudal fin base.
- 비늘 종류
- cycloid
- 입 위치
- terminal
- 뚜렷한 특징
- Slender, fusiform body, Prominent dark lateral stripe, Small size, typically not exceeding 6 cm, Adipose fin present
- 등지느러미
- Single, relatively short dorsal fin located mid-body, typically with 9-11 rays.
- 꼬리지느러미
- Forked caudal fin with symmetrical lobes.
- 가슴지느러미
- Small, clear pectoral fins positioned ventrally.
- 특징적인 지느러미
- Presence of a small, fleshy adipose fin between the dorsal and caudal fins, characteristic of characins.
식별 팁
Size and Shape
Small, slender body, rarely exceeding 6 cm (2.4 inches) in total length. The body is laterally compressed.
Coloration
Silvery body with a distinct, dark, often iridescent, lateral stripe running from the gill cover to the base of the caudal fin. This stripe is a key identifier.
Fins
Presence of an adipose fin (a small, fleshy fin without rays) between the dorsal and caudal fins. The caudal fin is distinctly forked.
Mouth
Terminal mouth, indicating a generalist feeding habit.
서식지
- 수질 유형
- freshwater
- 수심
- Typically found in shallow to moderate depths, often near the surface or in mid-water.
- 환경
- Inhabits rivers, streams, and lakes, particularly those with clear, cool, and well-oxygenated water. Prefers areas with aquatic vegetation, submerged roots, or rocky substrates for cover. Can be found in both slow-moving and moderately flowing waters.
- 분포 지역
- Endemic to Chile, primarily found in the central and southern regions, including the Aconcagua, Maipo, Maule, Biobío, and Toltén river basins.
수족관 정보
- 사육 난이도: intermediate
- 성격: peaceful
- 먹이: omnivore
- 최소 수조 크기: 20 gallons
- 수온: 18-24°C (64-75°F)
- pH 농도: 6.0-7.5
- 경도: 5-15 dGH
- 합사 적합성: Compatible with other small, peaceful community fish. Avoid housing with large or aggressive species.
- 특별 관리 사항: Requires a well-planted tank with open swimming areas. Prefers subdued lighting and a soft substrate. Benefits from a varied diet including live and frozen foods.
야생 정보
- 보전 상태: least concern
- 제철: Breeding typically occurs during the warmer months, often coinciding with increased rainfall and food availability.
- 시장 가격: Low (primarily local trade)
- 상업적 중요도: low
- 맛: Mild, slightly earthy
- 식감: Delicate, flaky
- 조리 방법: Fried, Pan-seared, Soup ingredient
- 영양 정보: Good source of protein and omega-3 fatty acids, typical for small freshwater fish.
주요 사실
Endemic to Chileinteresting
Cheirodon pisciculus is found exclusively in the freshwater systems of central and southern Chile, making it a unique part of the country's ichthyofauna.
Ecological Rolebehavior
Despite its small size, Pocha plays a crucial role in its ecosystem as a food source for larger fish and birds, and as a consumer of small invertebrates and algae, contributing to nutrient cycling.
Dietary Flexibilitybehavior
This species is an opportunistic omnivore, feeding on a wide range of small aquatic invertebrates, zooplankton, phytoplankton, and detritus, adapting its diet to seasonal availability.
Schooling Behaviorbehavior
Pocha often forms schools, especially when young, which provides protection against predators and aids in foraging efficiency.
안전 정보
안전- 안전 등급: safe
- 독성 여부: 아니요
- 식용 가능 여부: edible
- 취급 시 주의사항: No specific handling precautions are required beyond standard care for small, delicate fish. Avoid excessive stress during capture or transfer. They are not known to bite or possess any defensive mechanisms harmful to humans.
유사 종
Chilean Silverside
Basilichthys microlepidotus
While also silvery and found in similar habitats, Basilichthys microlepidotus has a more elongated, cylindrical body, larger scales, and lacks an adipose fin. It also typically grows much larger than Cheirodon pisciculus.
Other Cheirodon species
Various Cheirodon spp.
Distinguishing Cheirodon pisciculus from other closely related Cheirodon species (e.g., Cheirodon galusdae) often requires careful examination of meristic counts (fin ray counts, scale counts) and subtle morphological differences, particularly in fin shape and body proportions. C. pisciculus generally has a more pronounced and continuous lateral stripe.
학명 분류
- 계
- Animalia
- 문
- Chordata
- 강
- Actinopterygii
- 목
- Characiformes
- 과
- Characidae
- 속
- Cheirodon
- 종
- Cheirodon pisciculus