vs ベニスズメ

Cocconeis placentula compared with Amandava amandava

Key Differences

is Not Evaluated while ベニスズメ is Least Concern.

Taxonomic Classification

Rank		ベニスズメ
Kingdom	Chromista (クロミスタ)	Animalia (動物)
Phylum	Ochrophyta (オクロ植物)	Chordata (脊索動物)
Class	Bacillariophyceae (クサリケイソウ綱)	Aves (鳥類)
Order	Achnanthales (Achnanthales)	Passeriformes (スズメ目)
Family	Cocconeidaceae	Estrildidae
Genus	Cocconeis	Amandava
Species	Cocconeis placentula	Amandava amandava

Conservation Status

NE — Not Evaluated

ベニスズメ

LC — Least Concern

Physical Characteristics

Attribute		ベニスズメ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, Portugal, Sweden, and Taiwan.

ベニスズメ

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (10 countries), Europe (9 countries), and North America (United States).

Cocconeis placentula is among the most ubiquitous and widely studied freshwater and brackish-water diatoms worldwide, serving as a model organism for periphyton ecology and a key species in biological assessment of water quality. A member of the family Cocconeidaceae, this adnate epiphyte produces a characteristic ovoid frustule with fine transapical striae, a well-developed raphe system on one valve, and an elaborate pattern of areolae visible under electron microscopy. The species complex encompasses several morphological varieties (var. placentula, var. lineata, var. euglypta, var. acuta) that differ in fine structural details of the valve ornamentation. Cocconeis placentula colonizes the surfaces of aquatic plants, algae, rocks, and sediment particles in rivers, lakes, and ponds across a vast global range spanning Europe, the Americas, Asia, Africa, and beyond, tolerating a wide range of water temperatures, pH values, and moderate nutrient enrichment. Its abundance varies dramatically with substrate type, light availability, and water chemistry, making community composition data involving this species valuable in diatom-based paleolimnological reconstructions and modern bioassessment indices. As a benthic primary producer, C. placentula contributes substantially to the productivity of the photic benthos and serves as a dietary component for invertebrate grazers. Its remarkable cosmopolitan distribution and ecological flexibility make it one of the defining species of freshwater periphyton communities globally. Conservation status is not formally assessed.

ベニスズメ

ベニスズメ(Amandava amandava)は南アジアおよび東南アジアの森林に生息する鮮やかに着色された小型のスズメ科の鳥で、繁殖期の雄は体全体に白い斑点がある深紅色の羽毛を誇る。パキスタン、インドからインドネシア東部に至る水辺近くの背の高い草地、葦原、低木地に生息する。アジア全域で人気の愛玩鳥で、ヨーロッパ、日本、カリブ海の一部に導入個体群が定着している。群れで生活し、静かで音楽的な鳴き声を発する。